CVE-2025-40057
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-40057
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40057.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-40057
- Downstream
- Published
- 2025-10-28T11:48:30.947Z
- Modified
- 2025-11-20T10:44:35.197058Z
- Summary
- ptp: Add a upper bound on max_vclocks
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ptp: Add a upper bound on max_vclocks
syzbot reported WARNING in maxvclocksstore.
This occurs when the argument max is too large for kcalloc to handle.
Extend the guard to guard against values that are too large for kcalloc
- 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
-
Introduced73f37068d540eba5f93ba3a0019bf479d35ebd76Fixed8dd446056336faa2283d62cefc2f576536845edc
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced73f37068d540eba5f93ba3a0019bf479d35ebd76Fixed35ce5f163889dbce88eda1df661b357a09bbed87
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced73f37068d540eba5f93ba3a0019bf479d35ebd76Fixede9f35294e18da82162004a2f35976e7031aaf7f9
Affected versions
v5.*
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
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
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.18
v6.12.19
v6.12.2
v6.12.20
v6.12.21
v6.12.22
v6.12.23
v6.12.24
v6.12.25
v6.12.26
v6.12.27
v6.12.28
v6.12.29
v6.12.3
v6.12.30
v6.12.31
v6.12.32
v6.12.33
v6.12.34
v6.12.35
v6.12.36
v6.12.37
v6.12.38
v6.12.39
v6.12.4
v6.12.40
v6.12.41
v6.12.42
v6.12.43
v6.12.44
v6.12.45
v6.12.46
v6.12.47
v6.12.48
v6.12.49
v6.12.5
v6.12.50
v6.12.51
v6.12.52
v6.12.6
v6.12.7
v6.12.8
v6.12.9
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
[
{
"id": "CVE-2025-40057-1e226af5",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8dd446056336faa2283d62cefc2f576536845edc",
"signature_version": "v1",
"deprecated": false,
"target": {
"file": "drivers/ptp/ptp_sysfs.c"
},
"digest": {
"line_hashes": [
"279531659522804091288275310758664707282",
"178567368228775418062909937870436844318",
"252959491496627856761589449713587821587",
"88606288007441707497881778629519778620"
],
"threshold": 0.9
},
"signature_type": "Line"
},
{
"id": "CVE-2025-40057-353f069b",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8dd446056336faa2283d62cefc2f576536845edc",
"signature_version": "v1",
"deprecated": false,
"target": {
"function": "max_vclocks_store",
"file": "drivers/ptp/ptp_sysfs.c"
},
"digest": {
"length": 789.0,
"function_hash": "248772970209403810846110530735779749776"
},
"signature_type": "Function"
},
{
"id": "CVE-2025-40057-51c294fb",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e9f35294e18da82162004a2f35976e7031aaf7f9",
"signature_version": "v1",
"deprecated": false,
"target": {
"file": "drivers/ptp/ptp_sysfs.c"
},
"digest": {
"line_hashes": [
"279531659522804091288275310758664707282",
"178567368228775418062909937870436844318",
"252959491496627856761589449713587821587",
"88606288007441707497881778629519778620"
],
"threshold": 0.9
},
"signature_type": "Line"
},
{
"id": "CVE-2025-40057-f229a058",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e9f35294e18da82162004a2f35976e7031aaf7f9",
"signature_version": "v1",
"deprecated": false,
"target": {
"function": "max_vclocks_store",
"file": "drivers/ptp/ptp_sysfs.c"
},
"digest": {
"length": 789.0,
"function_hash": "248772970209403810846110530735779749776"
},
"signature_type": "Function"
}
]