CVE-2024-35907

The mlxbfgige driver encounters a NULL pointer exception in mlxbfgigeopen() when kdump is enabled. The sequence to reproduce the exception is as follows: a) enable kdump b) trigger kdump via "echo c > /proc/sysrq-trigger" c) kdump kernel executes d) kdump kernel loads mlxbfgige module e) the mlxbfgige module runs its open() as the the "oobnet0" interface is brought up f) mlxbf_gige module will experience an exception during its open(), something like:

 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
 Mem abort info:
   ESR = 0x0000000086000004
   EC = 0x21: IABT (current EL), IL = 32 bits
   SET = 0, FnV = 0
   EA = 0, S1PTW = 0
   FSC = 0x04: level 0 translation fault
 user pgtable: 4k pages, 48-bit VAs, pgdp=00000000e29a4000
 [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
 Internal error: Oops: 0000000086000004 [#1] SMP
 CPU: 0 PID: 812 Comm: NetworkManager Tainted: G           OE     5.15.0-1035-bluefield #37-Ubuntu
 Hardware name: https://www.mellanox.com BlueField-3 SmartNIC Main Card/BlueField-3 SmartNIC Main Card, BIOS 4.6.0.13024 Jan 19 2024
 pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
 pc : 0x0
 lr : __napi_poll+0x40/0x230
 sp : ffff800008003e00
 x29: ffff800008003e00 x28: 0000000000000000 x27: 00000000ffffffff
 x26: ffff000066027238 x25: ffff00007cedec00 x24: ffff800008003ec8
 x23: 000000000000012c x22: ffff800008003eb7 x21: 0000000000000000
 x20: 0000000000000001 x19: ffff000066027238 x18: 0000000000000000
 x17: ffff578fcb450000 x16: ffffa870b083c7c0 x15: 0000aaab010441d0
 x14: 0000000000000001 x13: 00726f7272655f65 x12: 6769675f6662786c
 x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa870b0842398
 x8 : 0000000000000004 x7 : fe5a48b9069706ea x6 : 17fdb11fc84ae0d2
 x5 : d94a82549d594f35 x4 : 0000000000000000 x3 : 0000000000400100
 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000066027238
 Call trace:
  0x0
  net_rx_action+0x178/0x360
  __do_softirq+0x15c/0x428
  __irq_exit_rcu+0xac/0xec
  irq_exit+0x18/0x2c
  handle_domain_irq+0x6c/0xa0
  gic_handle_irq+0xec/0x1b0
  call_on_irq_stack+0x20/0x2c
  do_interrupt_handler+0x5c/0x70
  el1_interrupt+0x30/0x50
  el1h_64_irq_handler+0x18/0x2c
  el1h_64_irq+0x7c/0x80
  __setup_irq+0x4c0/0x950
  request_threaded_irq+0xf4/0x1bc
  mlxbf_gige_request_irqs+0x68/0x110 [mlxbf_gige]
  mlxbf_gige_open+0x5c/0x170 [mlxbf_gige]
  __dev_open+0x100/0x220
  __dev_change_flags+0x16c/0x1f0
  dev_change_flags+0x2c/0x70
  do_setlink+0x220/0xa40
  __rtnl_newlink+0x56c/0x8a0
  rtnl_newlink+0x58/0x84
  rtnetlink_rcv_msg+0x138/0x3c4
  netlink_rcv_skb+0x64/0x130
  rtnetlink_rcv+0x20/0x30
  netlink_unicast+0x2ec/0x360
  netlink_sendmsg+0x278/0x490
  __sock_sendmsg+0x5c/0x6c
  ____sys_sendmsg+0x290/0x2d4
  ___sys_sendmsg+0x84/0xd0
  __sys_sendmsg+0x70/0xd0
  __arm64_sys_sendmsg+0x2c/0x40
  invoke_syscall+0x78/0x100
  el0_svc_common.constprop.0+0x54/0x184
  do_el0_svc+0x30/0xac
  el0_svc+0x48/0x160
  el0t_64_sync_handler+0xa4/0x12c
  el0t_64_sync+0x1a4/0x1a8
 Code: bad PC value
 ---[ end trace 7d1c3f3bf9d81885 ]---
 Kernel panic - not syncing: Oops: Fatal exception in interrupt
 Kernel Offset: 0x2870a7a00000 from 0xffff800008000000
 PHYS_OFFSET: 0x80000000
 CPU features: 0x0,000005c1,a3332a5a
 Memory Limit: none
 ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---

The exception happens because there is a pending RX interrupt before the call to requestirq(RX IRQ) executes. Then, the RX IRQ handler fires immediately after this requestirq() completes. The ---truncated---

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

f92e1869d74e1acc6551256eb084a1c14a054e19

Fixed

a583117668ddb86e98f2e11c7caa3db0e6df52a3

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

f92e1869d74e1acc6551256eb084a1c14a054e19

Fixed

24444af5ddf729376b90db0f135fa19973cb5dab

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

f92e1869d74e1acc6551256eb084a1c14a054e19

Fixed

867a2f598af6a645c865d1101b58c5e070c6dd9e

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

f92e1869d74e1acc6551256eb084a1c14a054e19

Fixed

8feb1652afe9c5d019059a55c90f70690dce0f52

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

f92e1869d74e1acc6551256eb084a1c14a054e19

Fixed

f7442a634ac06b953fc1f7418f307b25acd4cfbc

Affected versions

v5.*

v5.13

v5.13-rc7

v5.14

v5.14-rc1

v5.14-rc2

v5.14-rc3

v5.14-rc4

v5.14-rc5

v5.14-rc6

v5.14-rc7

v5.15

v5.15-rc1

v5.15-rc2

v5.15-rc3

v5.15-rc4

v5.15-rc5

v5.15-rc6

v5.15-rc7

v5.15.1

v5.15.10

v5.15.100

v5.15.101

v5.15.102

v5.15.103

v5.15.104

v5.15.105

v5.15.106

v5.15.107

v5.15.108

v5.15.109

v5.15.11

v5.15.110

v5.15.111

v5.15.112

v5.15.113

v5.15.114

v5.15.115

v5.15.116

v5.15.117

v5.15.118

v5.15.119

v5.15.12

v5.15.120

v5.15.121

v5.15.122

v5.15.123

v5.15.124

v5.15.125

v5.15.126

v5.15.127

v5.15.128

v5.15.129

v5.15.13

v5.15.130

v5.15.131

v5.15.132

v5.15.133

v5.15.134

v5.15.135

v5.15.136

v5.15.137

v5.15.138

v5.15.139

v5.15.14

v5.15.140

v5.15.141

v5.15.142

v5.15.143

v5.15.144

v5.15.145

v5.15.146

v5.15.147

v5.15.148

v5.15.149

v5.15.15

v5.15.150

v5.15.151

v5.15.152

v5.15.153

v5.15.16

v5.15.17

v5.15.18

v5.15.19

v5.15.2

v5.15.20

v5.15.21

v5.15.22

v5.15.23

v5.15.24

v5.15.25

v5.15.26

v5.15.27

v5.15.28

v5.15.29

v5.15.3

v5.15.30

v5.15.31

v5.15.32

v5.15.33

v5.15.34

v5.15.35

v5.15.36

v5.15.37

v5.15.38

v5.15.39

v5.15.4

v5.15.40

v5.15.41

v5.15.42

v5.15.43

v5.15.44

v5.15.45

v5.15.46

v5.15.47

v5.15.48

v5.15.49

v5.15.5

v5.15.50

v5.15.51

v5.15.52

v5.15.53

v5.15.54

v5.15.55

v5.15.56

v5.15.57

v5.15.58

v5.15.59

v5.15.6

v5.15.60

v5.15.61

v5.15.62

v5.15.63

v5.15.64

v5.15.65

v5.15.66

v5.15.67

v5.15.68

v5.15.69

v5.15.7

v5.15.70

v5.15.71

v5.15.72

v5.15.73

v5.15.74

v5.15.75

v5.15.76

v5.15.77

v5.15.78

v5.15.79

v5.15.8

v5.15.80

v5.15.81

v5.15.82

v5.15.83

v5.15.84

v5.15.85

v5.15.86

v5.15.87

v5.15.88

v5.15.89

v5.15.9

v5.15.90

v5.15.91

v5.15.92

v5.15.93

v5.15.94

v5.15.95

v5.15.96

v5.15.97

v5.15.98

v5.15.99

v5.16

v5.16-rc1

v5.16-rc2

v5.16-rc3

v5.16-rc4

v5.16-rc5

v5.16-rc6

v5.16-rc7

v5.16-rc8

v5.17

v5.17-rc1

v5.17-rc2

v5.17-rc3

v5.17-rc4

v5.17-rc5

v5.17-rc6

v5.17-rc7

v5.17-rc8

v5.18

v5.18-rc1

v5.18-rc2

v5.18-rc3

v5.18-rc4

v5.18-rc5

v5.18-rc6

v5.18-rc7

v5.19

v5.19-rc1

v5.19-rc2

v5.19-rc3

v5.19-rc4

v5.19-rc5

v5.19-rc6

v5.19-rc7

v5.19-rc8

v6.*

v6.0

v6.0-rc1

v6.0-rc2

v6.0-rc3

v6.0-rc4

v6.0-rc5

v6.0-rc6

v6.0-rc7

v6.1

v6.1-rc1

v6.1-rc2

v6.1-rc3

v6.1-rc4

v6.1-rc5

v6.1-rc6

v6.1-rc7

v6.1-rc8

v6.1.1

v6.1.10

v6.1.11

v6.1.12

v6.1.13

v6.1.14

v6.1.15

v6.1.16

v6.1.17

v6.1.18

v6.1.19

v6.1.2

v6.1.20

v6.1.21

v6.1.22

v6.1.23

v6.1.24

v6.1.25

v6.1.26

v6.1.27

v6.1.28

v6.1.29

v6.1.3

v6.1.30

v6.1.31

v6.1.32

v6.1.33

v6.1.34

v6.1.35

v6.1.36

v6.1.37

v6.1.38

v6.1.39

v6.1.4

v6.1.40

v6.1.41

v6.1.42

v6.1.43

v6.1.44

v6.1.45

v6.1.46

v6.1.47

v6.1.48

v6.1.49

v6.1.5

v6.1.50

v6.1.51

v6.1.52

v6.1.53

v6.1.54

v6.1.55

v6.1.56

v6.1.57

v6.1.58

v6.1.59

v6.1.6

v6.1.60

v6.1.61

v6.1.62

v6.1.63

v6.1.64

v6.1.65

v6.1.66

v6.1.67

v6.1.68

v6.1.69

v6.1.7

v6.1.70

v6.1.71

v6.1.72

v6.1.73

v6.1.74

v6.1.75

v6.1.76

v6.1.77

v6.1.78

v6.1.79

v6.1.8

v6.1.80

v6.1.81

v6.1.82

v6.1.83

v6.1.84

v6.1.9

v6.2

v6.2-rc1

v6.2-rc2

v6.2-rc3

v6.2-rc4

v6.2-rc5

v6.2-rc6

v6.2-rc7

v6.2-rc8

v6.3

v6.3-rc1

v6.3-rc2

v6.3-rc3

v6.3-rc4

v6.3-rc5

v6.3-rc6

v6.3-rc7

v6.4

v6.4-rc1

v6.4-rc2

v6.4-rc3

v6.4-rc4

v6.4-rc5

v6.4-rc6

v6.4-rc7

v6.5

v6.5-rc1

v6.5-rc2

v6.5-rc3

v6.5-rc4

v6.5-rc5

v6.5-rc6

v6.5-rc7

v6.6

v6.6-rc1

v6.6-rc2

v6.6-rc3

v6.6-rc4

v6.6-rc5

v6.6-rc6

v6.6-rc7

v6.6.1

v6.6.10

v6.6.11

v6.6.12

v6.6.13

v6.6.14

v6.6.15

v6.6.16

v6.6.17

v6.6.18

v6.6.19

v6.6.2

v6.6.20

v6.6.21

v6.6.22

v6.6.23

v6.6.24

v6.6.25

v6.6.3

v6.6.4

v6.6.5

v6.6.6

v6.6.7

v6.6.8

v6.6.9

v6.7

v6.7-rc1

v6.7-rc2

v6.7-rc3

v6.7-rc4

v6.7-rc5

v6.7-rc6

v6.7-rc7

v6.7-rc8

v6.8

v6.8-rc1

v6.8-rc2

v6.8-rc3

v6.8-rc4

v6.8-rc5

v6.8-rc6

v6.8-rc7

v6.8.1

v6.8.2

v6.8.3

v6.8.4

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "target": {
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "187677855121916932351605861631100693616",
                "23211471179841072777481832167263772120",
                "20650020225006025218729133526706274915",
                "17385920685407681086901869279067737468",
                "158186454980727902778221752944166130321",
                "286377138252670156638220572142562608206",
                "234125525767868327125139010713594249314",
                "250948688348669016907117736076176797578",
                "110150082623044564128909583301137444067",
                "70962164624182840919208221647546386246",
                "172656949087103332325623046178067717445",
                "323038429799153170030745675380396123060",
                "319316981604015320783204686203854083519",
                "157329010309737615263894203022187023659",
                "108760815057318796662579732093857579639",
                "278449349720938623633712904338673898870",
                "244269113941710305905952420802139165963",
                "39181153742871619478591621129215039256",
                "73405630336680772588416867369018270323",
                "66380700450778862016121891975028074434",
                "92068670371347522537324881226213984310",
                "281243051742191836635811285007300786849"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@24444af5ddf729376b90db0f135fa19973cb5dab",
        "id": "CVE-2024-35907-1293ccc0",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "target": {
            "function": "mlxbf_gige_open",
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "151891382553958826471447199286358531206",
            "length": 1128.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f7442a634ac06b953fc1f7418f307b25acd4cfbc",
        "id": "CVE-2024-35907-145a11a8",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "target": {
            "function": "mlxbf_gige_open",
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "151891382553958826471447199286358531206",
            "length": 1128.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@24444af5ddf729376b90db0f135fa19973cb5dab",
        "id": "CVE-2024-35907-375a9293",
        "signature_version": "v1"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "187677855121916932351605861631100693616",
                "23211471179841072777481832167263772120",
                "20650020225006025218729133526706274915",
                "17385920685407681086901869279067737468",
                "158186454980727902778221752944166130321",
                "286377138252670156638220572142562608206",
                "234125525767868327125139010713594249314",
                "250948688348669016907117736076176797578",
                "110150082623044564128909583301137444067",
                "70962164624182840919208221647546386246",
                "222069785320297659589495075931870748132",
                "323038429799153170030745675380396123060",
                "319316981604015320783204686203854083519",
                "157329010309737615263894203022187023659",
                "108760815057318796662579732093857579639",
                "278449349720938623633712904338673898870",
                "244269113941710305905952420802139165963",
                "39181153742871619478591621129215039256",
                "73405630336680772588416867369018270323",
                "66380700450778862016121891975028074434",
                "92068670371347522537324881226213984310",
                "281243051742191836635811285007300786849"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a583117668ddb86e98f2e11c7caa3db0e6df52a3",
        "id": "CVE-2024-35907-457ad4a0",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "target": {
            "function": "mlxbf_gige_open",
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "28565055894859660795141654691988141942",
            "length": 1147.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a583117668ddb86e98f2e11c7caa3db0e6df52a3",
        "id": "CVE-2024-35907-932501a2",
        "signature_version": "v1"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "187677855121916932351605861631100693616",
                "23211471179841072777481832167263772120",
                "20650020225006025218729133526706274915",
                "17385920685407681086901869279067737468",
                "158186454980727902778221752944166130321",
                "286377138252670156638220572142562608206",
                "234125525767868327125139010713594249314",
                "250948688348669016907117736076176797578",
                "110150082623044564128909583301137444067",
                "70962164624182840919208221647546386246",
                "172656949087103332325623046178067717445",
                "323038429799153170030745675380396123060",
                "319316981604015320783204686203854083519",
                "157329010309737615263894203022187023659",
                "108760815057318796662579732093857579639",
                "278449349720938623633712904338673898870",
                "244269113941710305905952420802139165963",
                "39181153742871619478591621129215039256",
                "73405630336680772588416867369018270323",
                "66380700450778862016121891975028074434",
                "92068670371347522537324881226213984310",
                "281243051742191836635811285007300786849"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8feb1652afe9c5d019059a55c90f70690dce0f52",
        "id": "CVE-2024-35907-a8fa6a6e",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "target": {
            "function": "mlxbf_gige_open",
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "151891382553958826471447199286358531206",
            "length": 1128.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@867a2f598af6a645c865d1101b58c5e070c6dd9e",
        "id": "CVE-2024-35907-ab02ddb1",
        "signature_version": "v1"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "187677855121916932351605861631100693616",
                "23211471179841072777481832167263772120",
                "20650020225006025218729133526706274915",
                "17385920685407681086901869279067737468",
                "158186454980727902778221752944166130321",
                "286377138252670156638220572142562608206",
                "234125525767868327125139010713594249314",
                "250948688348669016907117736076176797578",
                "110150082623044564128909583301137444067",
                "70962164624182840919208221647546386246",
                "172656949087103332325623046178067717445",
                "323038429799153170030745675380396123060",
                "319316981604015320783204686203854083519",
                "157329010309737615263894203022187023659",
                "108760815057318796662579732093857579639",
                "278449349720938623633712904338673898870",
                "244269113941710305905952420802139165963",
                "39181153742871619478591621129215039256",
                "73405630336680772588416867369018270323",
                "66380700450778862016121891975028074434",
                "92068670371347522537324881226213984310",
                "281243051742191836635811285007300786849"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f7442a634ac06b953fc1f7418f307b25acd4cfbc",
        "id": "CVE-2024-35907-c4c5581e",
        "signature_version": "v1"
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "187677855121916932351605861631100693616",
                "23211471179841072777481832167263772120",
                "20650020225006025218729133526706274915",
                "17385920685407681086901869279067737468",
                "158186454980727902778221752944166130321",
                "286377138252670156638220572142562608206",
                "234125525767868327125139010713594249314",
                "250948688348669016907117736076176797578",
                "110150082623044564128909583301137444067",
                "70962164624182840919208221647546386246",
                "172656949087103332325623046178067717445",
                "323038429799153170030745675380396123060",
                "319316981604015320783204686203854083519",
                "157329010309737615263894203022187023659",
                "108760815057318796662579732093857579639",
                "278449349720938623633712904338673898870",
                "244269113941710305905952420802139165963",
                "39181153742871619478591621129215039256",
                "73405630336680772588416867369018270323",
                "66380700450778862016121891975028074434",
                "92068670371347522537324881226213984310",
                "281243051742191836635811285007300786849"
            ]
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@867a2f598af6a645c865d1101b58c5e070c6dd9e",
        "id": "CVE-2024-35907-e90e159e",
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "target": {
            "function": "mlxbf_gige_open",
            "file": "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "151891382553958826471447199286358531206",
            "length": 1128.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8feb1652afe9c5d019059a55c90f70690dce0f52",
        "id": "CVE-2024-35907-f6976da6",
        "signature_version": "v1"
    }
]

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

5.14.0

Fixed

5.15.154

Type: ECOSYSTEM
Events: Introduced

5.16.0

Fixed

6.1.85

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.26

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.8.5