Unrated
ptp: Add a upper bound on max_vclocks
In the Linux kernel, the following vulnerability has been resolved: ptp: Add a upper bound on max_vclocks syzbot reported WARNING in max_vclocks_store. 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
Announced Group revision 1
Original source ↗CVE-2025-40057
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-40057
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
"lessThan": "da513f2ad1b1b1cf1880ccc2603ce1f1f818eb2e",
"versionType": "git"
},
{
"status": "affected",
"version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
"lessThan": "8dd446056336faa2283d62cefc2f576536845edc",
"versionType": "git"
},
{
"status": "affected",
"version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
"lessThan": "35ce5f163889dbce88eda1df661b357a09bbed87",
"versionType": "git"
},
{
"status": "affected",
"version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
"lessThan": "e9f35294e18da82162004a2f35976e7031aaf7f9",
"versionType": "git"
}
],
"programFiles": [
"drivers/ptp/ptp_private.h",
"drivers/ptp/ptp_sysfs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.14",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.53",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/ptp/ptp_private.h",
"drivers/ptp/ptp_sysfs.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40057
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #46038 · Revision 1
- Added to Heist Feed
- Publisher date