CVE-2023-52610

However when frags arrive out of order, nobody unref the last frag, and all frags are leaked. The situation is even worse, as initiating packet capture can lead to a crash[0] when skb has been cloned and shared at the same time.

Fix the issue by removing skbget() before defragmentation. actct returns TCACTCONSUMED when defrag failed or in progress.

[ 843.809659] kernel BUG at net/core/skbuff.c:2091! [ 843.814516] invalid opcode: 0000 [#1] PREEMPT SMP [ 843.819296] CPU: 7 PID: 0 Comm: swapper/7 Kdump: loaded Tainted: G S 6.7.0-rc3 #2 [ 843.824107] Hardware name: XFUSION 1288H V6/BC13MBSBD, BIOS 1.29 11/25/2022 [ 843.828953] RIP: 0010:pskbexpandhead+0x2ac/0x300 [ 843.833805] Code: 8b 70 28 48 85 f6 74 82 48 83 c6 08 bf 01 00 00 00 e8 38 bd ff ff 8b 83 c0 00 00 00 48 03 83 c8 00 00 00 e9 62 ff ff ff 0f 0b <0f> 0b e8 8d d0 ff ff e9 b3 fd ff ff 81 7c 24 14 40 01 00 00 4c 89 [ 843.843698] RSP: 0018:ffffc9000cce07c0 EFLAGS: 00010202 [ 843.848524] RAX: 0000000000000002 RBX: ffff88811a211d00 RCX: 0000000000000820 [ 843.853299] RDX: 0000000000000640 RSI: 0000000000000000 RDI: ffff88811a211d00 [ 843.857974] RBP: ffff888127d39518 R08: 00000000bee97314 R09: 0000000000000000 [ 843.862584] R10: 0000000000000000 R11: ffff8881109f0000 R12: 0000000000000880 [ 843.867147] R13: ffff888127d39580 R14: 0000000000000640 R15: ffff888170f7b900 [ 843.871680] FS: 0000000000000000(0000) GS:ffff889ffffc0000(0000) knlGS:0000000000000000 [ 843.876242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 843.880778] CR2: 00007fa42affcfb8 CR3: 000000011433a002 CR4: 0000000000770ef0 [ 843.885336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 843.889809] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 843.894229] PKRU: 55555554 [ 843.898539] Call Trace: [ 843.902772] <IRQ> [ 843.906922] ? _diebody+0x1e/0x60 [ 843.911032] ? die+0x3c/0x60 [ 843.915037] ? dotrap+0xe2/0x110 [ 843.918911] ? pskbexpandhead+0x2ac/0x300 [ 843.922687] ? doerrortrap+0x65/0x80 [ 843.926342] ? pskbexpandhead+0x2ac/0x300 [ 843.929905] ? excinvalidop+0x50/0x60 [ 843.933398] ? pskbexpandhead+0x2ac/0x300 [ 843.936835] ? asmexcinvalidop+0x1a/0x20 [ 843.940226] ? pskbexpandhead+0x2ac/0x300 [ 843.943580] inetfragreasmprepare+0xd1/0x240 [ 843.946904] ipdefrag+0x5d4/0x870 [ 843.950132] nfcthandlefragments+0xec/0x130 [nfconntrack] [ 843.953334] tcfctact+0x252/0xd90 [actct] [ 843.956473] ? tcfmirredact+0x516/0x5a0 [actmirred] [ 843.959657] tcfactionexec+0xa1/0x160 [ 843.962823] flclassify+0x1db/0x1f0 [clsflower] [ 843.966010] ? skbclone+0x53/0xc0 [ 843.969173] tcfclassify+0x24d/0x420 [ 843.972333] tcrun+0x8f/0xf0 [ 843.975465] _netifreceiveskbcore+0x67a/0x1080 [ 843.978634] ? devgroreceive+0x249/0x730 [ 843.981759] _netifreceiveskblistcore+0x12d/0x260 [ 843.984869] netifreceiveskblistinternal+0x1cb/0x2f0 [ 843.987957] ? mlx5ehandlerxcqempwrqrep+0xfa/0x1a0 [mlx5core] [ 843.991170] napicompletedone+0x72/0x1a0 [ 843.994305] mlx5enapipoll+0x28c/0x6d0 [mlx5core] [ 843.997501] _napipoll+0x25/0x1b0 [ 844.000627] netrxaction+0x256/0x330 [ 844.003705] _dosoftirq+0xb3/0x29b [ 844.006718] irqexitrcu+0x9e/0xc0 [ 844.009672] commoninterrupt+0x86/0xa0 [ 844.012537] </IRQ> [ 844.015285] <TASK> [ 844.017937] asmcommoninterrupt+0x26/0x40 [ 844.020591] RIP: 0010:acpisafehalt+0x1b/0x20 [ 844.023247] Code: ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 65 48 8b 04 25 00 18 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 81 d0 44 00 fb ---truncated---

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52610.json"
}

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

b57dc7c13ea90e09ae15f821d2583fa0231b4935

Fixed

172ba7d46c202e679f3ccb10264c67416aaeb1c4

Fixed

0b5b831122fc3789fff75be433ba3e4dd7b779d4

Fixed

73f7da5fd124f2cda9161e2e46114915e6e82e97

Fixed

f5346df0591d10bc948761ca854b1fae6d2ef441

Fixed

3f14b377d01d8357eba032b4cabc8c1149b458b6

Affected versions

v5.*

v5.10

v5.10-rc1

v5.10-rc2

v5.10-rc3

v5.10-rc4

v5.10-rc5

v5.10-rc6

v5.10-rc7

v5.11

v5.11-rc1

v5.11-rc2

v5.11-rc3

v5.11-rc4

v5.11-rc5

v5.11-rc6

v5.11-rc7

v5.12

v5.12-rc1

v5.12-rc1-dontuse

v5.12-rc2

v5.12-rc3

v5.12-rc4

v5.12-rc5

v5.12-rc6

v5.12-rc7

v5.12-rc8

v5.13

v5.13-rc1

v5.13-rc2

v5.13-rc3

v5.13-rc4

v5.13-rc5

v5.13-rc6

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

v5.15.15

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

v5.2

v5.2-rc7

v5.3

v5.3-rc1

v5.3-rc2

v5.3-rc3

v5.3-rc4

v5.3-rc5

v5.3-rc6

v5.3-rc7

v5.3-rc8

v5.4

v5.4-rc1

v5.4-rc2

v5.4-rc3

v5.4-rc4

v5.4-rc5

v5.4-rc6

v5.4-rc7

v5.4-rc8

v5.5

v5.5-rc1

v5.5-rc2

v5.5-rc3

v5.5-rc4

v5.5-rc5

v5.5-rc6

v5.5-rc7

v5.6

v5.6-rc1

v5.6-rc2

v5.6-rc3

v5.6-rc4

v5.6-rc5

v5.6-rc6

v5.6-rc7

v5.7

v5.7-rc1

v5.7-rc2

v5.7-rc3

v5.7-rc4

v5.7-rc5

v5.7-rc6

v5.7-rc7

v5.8

v5.8-rc1

v5.8-rc2

v5.8-rc3

v5.8-rc4

v5.8-rc5

v5.8-rc6

v5.8-rc7

v5.9

v5.9-rc1

v5.9-rc2

v5.9-rc3

v5.9-rc4

v5.9-rc5

v5.9-rc6

v5.9-rc7

v5.9-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

v6.1.8

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

v6.6.2

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

v6.7.1

Database specific

vanir_signatures

[
    {
        "signature_type": "Function",
        "digest": {
            "length": 601.0,
            "function_hash": "283444518586146895806434865615846970586"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_handle_fragments",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3f14b377d01d8357eba032b4cabc8c1149b458b6",
        "id": "CVE-2023-52610-0f24b48a",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 601.0,
            "function_hash": "283444518586146895806434865615846970586"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_handle_fragments",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@73f7da5fd124f2cda9161e2e46114915e6e82e97",
        "id": "CVE-2023-52610-1a1cf368",
        "deprecated": false
    },
    {
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "249681791111787387387726871783021925944",
                "285668162654008269681257136778893894786",
                "59357827243391178741432634739969556682",
                "272689521823797699521635812567063139812",
                "144153438008887786346088970346857689484",
                "199512178700074466850582476249873091567",
                "113935151258684144933376954299247617143",
                "71114922371949985448023920009921583847",
                "229031728802752838120087690735939772061",
                "237681067261091724092401453985134512498",
                "185870175198677593618600004890413778131",
                "163743207200933653163468682262651558643",
                "49194550600987698553149456187769911683",
                "315077998884125385307396799436026864752",
                "75386002581102858064927097448654280232",
                "51982904642524396633433288337149686970"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3f14b377d01d8357eba032b4cabc8c1149b458b6",
        "id": "CVE-2023-52610-376b2b90",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 2702.0,
            "function_hash": "226665902605053862284908958086288744530"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_act",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f5346df0591d10bc948761ca854b1fae6d2ef441",
        "id": "CVE-2023-52610-47d77580",
        "deprecated": false
    },
    {
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "249681791111787387387726871783021925944",
                "229575821057545399288722647103910848614",
                "299376738691417953599464213620410048584",
                "49653088986077118881207004900203266666",
                "144153438008887786346088970346857689484",
                "199512178700074466850582476249873091567",
                "113935151258684144933376954299247617143",
                "71114922371949985448023920009921583847",
                "229031728802752838120087690735939772061",
                "237681067261091724092401453985134512498",
                "183703396117221854211002026553262351973",
                "280260622638151560473562723685633901645",
                "21532371028859784147706912166001630972",
                "315077998884125385307396799436026864752",
                "75386002581102858064927097448654280232",
                "51982904642524396633433288337149686970"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@172ba7d46c202e679f3ccb10264c67416aaeb1c4",
        "id": "CVE-2023-52610-651a402f",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 2350.0,
            "function_hash": "230214530992199101842272660761935762185"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_act",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0b5b831122fc3789fff75be433ba3e4dd7b779d4",
        "id": "CVE-2023-52610-696c2c08",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 2702.0,
            "function_hash": "226665902605053862284908958086288744530"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_act",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@73f7da5fd124f2cda9161e2e46114915e6e82e97",
        "id": "CVE-2023-52610-722bca7d",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 601.0,
            "function_hash": "283444518586146895806434865615846970586"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_handle_fragments",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f5346df0591d10bc948761ca854b1fae6d2ef441",
        "id": "CVE-2023-52610-7873b93f",
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "digest": {
            "length": 2702.0,
            "function_hash": "226665902605053862284908958086288744530"
        },
        "signature_version": "v1",
        "target": {
            "function": "tcf_ct_act",
            "file": "net/sched/act_ct.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3f14b377d01d8357eba032b4cabc8c1149b458b6",
        "id": "CVE-2023-52610-7e207f7d",
        "deprecated": false
    },
    {
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]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52610.json"

Git / github.com/gregkh/linux