CVE-2025-40168
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-40168
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40168.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-40168
- Downstream
- Published
- 2025-11-12T10:46:51Z
- Modified
- 2025-11-12T20:28:02.272303Z
- Summary
- smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
smc: Use _skdstget() and dstdevrcu() in smcclcprfxmatch().
smcclcprfxmatch() is called from smclisten_work() and not under RCU nor RTNL.
Using skdstget(sk)->dev could trigger UAF.
Let's use _skdstget() and dstdev_rcu().
Note that the returned value of smcclcprfx_match() is not used in the caller.
- 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
-
Introduceda046d57da19f812216f393e7c535f5858f793ac3Fixedd26e80f7fb62d77757b67a1b94e4ac756bc9c658
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda046d57da19f812216f393e7c535f5858f793ac3Fixed235f81045c008169cc4e1955b4a64e118eebe61b
Affected versions
v4.*
v4.10
v4.10-rc4
v4.10-rc5
v4.10-rc6
v4.10-rc7
v4.10-rc8
v4.11
v4.11-rc1
v4.11-rc2
v4.11-rc3
v4.11-rc4
v4.11-rc5
v4.11-rc6
v4.11-rc7
v4.11-rc8
v4.12
v4.12-rc1
v4.12-rc2
v4.12-rc3
v4.12-rc4
v4.12-rc5
v4.12-rc6
v4.12-rc7
v4.13
v4.13-rc1
v4.13-rc2
v4.13-rc3
v4.13-rc4
v4.13-rc5
v4.13-rc6
v4.13-rc7
v4.14
v4.14-rc1
v4.14-rc2
v4.14-rc3
v4.14-rc4
v4.14-rc5
v4.14-rc6
v4.14-rc7
v4.14-rc8
v4.15
v4.15-rc1
v4.15-rc2
v4.15-rc3
v4.15-rc4
v4.15-rc5
v4.15-rc6
v4.15-rc7
v4.15-rc8
v4.15-rc9
v4.16
v4.16-rc1
v4.16-rc2
v4.16-rc3
v4.16-rc4
v4.16-rc5
v4.16-rc6
v4.16-rc7
v4.17
v4.17-rc1
v4.17-rc2
v4.17-rc3
v4.17-rc4
v4.17-rc5
v4.17-rc6
v4.17-rc7
v4.18
v4.18-rc1
v4.18-rc2
v4.18-rc3
v4.18-rc4
v4.18-rc5
v4.18-rc6
v4.18-rc7
v4.18-rc8
v4.19
v4.19-rc1
v4.19-rc2
v4.19-rc3
v4.19-rc4
v4.19-rc5
v4.19-rc6
v4.19-rc7
v4.19-rc8
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
v5.*
v5.0
v5.0-rc1
v5.0-rc2
v5.0-rc3
v5.0-rc4
v5.0-rc5
v5.0-rc6
v5.0-rc7
v5.0-rc8
v5.1
v5.1-rc1
v5.1-rc2
v5.1-rc3
v5.1-rc4
v5.1-rc5
v5.1-rc6
v5.1-rc7
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
v5.16
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-rc1
v5.2-rc2
v5.2-rc3
v5.2-rc4
v5.2-rc5
v5.2-rc6
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
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.14
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
v6.14-rc6
v6.14-rc7
v6.15
v6.15-rc1
v6.15-rc2
v6.15-rc3
v6.15-rc4
v6.15-rc5
v6.15-rc6
v6.15-rc7
v6.16
v6.16-rc1
v6.16-rc2
v6.16-rc3
v6.16-rc4
v6.16-rc5
v6.16-rc6
v6.16-rc7
v6.17
v6.17-rc1
v6.17-rc2
v6.17-rc3
v6.17-rc4
v6.17-rc5
v6.17-rc6
v6.17-rc7
v6.17.1
v6.17.2
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
v6.7
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
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7
Database specific
vanir_signatures
[
{
"digest": {
"line_hashes": [
"20529958486069827244666995074716862596",
"22037870345281462792251866033984519391",
"25491150057054373122429699230046197128",
"249046460054768299249642562428509028328",
"251256825618898010022202355505149203194",
"150660361545542058592604594007026800571",
"136099513257788916192226928515794900362",
"190091729461162202634256826234690221980",
"234974647794219644646770174978301843474",
"58168686336704214197705892280086283134",
"210386850833433378831895571645722800564",
"205508534361399061079481970388185182960",
"196243194286216156188788129104925772508",
"225733875547862193748817070138639803002",
"59249084580876421181311408597803031870",
"121125579731771493211277175800510473484",
"179399755167049882043243704692467438881",
"275704427802249118714108256141250893969",
"227795599661406884970853350956842086714",
"105024108323874747069012587990270426715",
"163688394490104748860448347141710555874",
"243156613459498937797276998749127708578"
],
"threshold": 0.9
},
"target": {
"file": "net/smc/smc_clc.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@235f81045c008169cc4e1955b4a64e118eebe61b",
"id": "CVE-2025-40168-78c16ab8",
"signature_version": "v1",
"deprecated": false,
"signature_type": "Line"
},
{
"digest": {
"length": 407.0,
"function_hash": "123396197099692183603507770301872406640"
},
"target": {
"file": "net/smc/smc_clc.c",
"function": "smc_clc_prfx_match"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d26e80f7fb62d77757b67a1b94e4ac756bc9c658",
"id": "CVE-2025-40168-7fedbd92",
"signature_version": "v1",
"deprecated": false,
"signature_type": "Function"
},
{
"digest": {
"line_hashes": [
"20529958486069827244666995074716862596",
"22037870345281462792251866033984519391",
"25491150057054373122429699230046197128",
"249046460054768299249642562428509028328",
"251256825618898010022202355505149203194",
"150660361545542058592604594007026800571",
"136099513257788916192226928515794900362",
"190091729461162202634256826234690221980",
"234974647794219644646770174978301843474",
"58168686336704214197705892280086283134",
"210386850833433378831895571645722800564",
"205508534361399061079481970388185182960",
"196243194286216156188788129104925772508",
"225733875547862193748817070138639803002",
"59249084580876421181311408597803031870",
"121125579731771493211277175800510473484",
"179399755167049882043243704692467438881",
"275704427802249118714108256141250893969",
"227795599661406884970853350956842086714",
"105024108323874747069012587990270426715",
"163688394490104748860448347141710555874",
"243156613459498937797276998749127708578"
],
"threshold": 0.9
},
"target": {
"file": "net/smc/smc_clc.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d26e80f7fb62d77757b67a1b94e4ac756bc9c658",
"id": "CVE-2025-40168-83434745",
"signature_version": "v1",
"deprecated": false,
"signature_type": "Line"
},
{
"digest": {
"length": 407.0,
"function_hash": "123396197099692183603507770301872406640"
},
"target": {
"file": "net/smc/smc_clc.c",
"function": "smc_clc_prfx_match"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@235f81045c008169cc4e1955b4a64e118eebe61b",
"id": "CVE-2025-40168-94e344b5",
"signature_version": "v1",
"deprecated": false,
"signature_type": "Function"
}
]