High
s390/ctcm: Fix double-kfree
In the Linux kernel, the following vulnerability has been resolved: s390/ctcm: Fix double-kfree The function 'mpc_rcvd_sweep_req(mpcginfo)' is called conditionally from function 'ctcmpc_unpack_skb'. It frees passed mpcginfo. After that a call to function 'kfree' in function 'ctcmpc_unpack_skb' frees it again. Remove 'kfree' call in function 'mpc_rcvd_sweep_req(mpcginfo)'. Bug detected by the clang static analyzer.
Announced Group revision 1
Original source ↗CVE-2025-40253
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-2025-40253
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": "467ddbbe7e749d558f13e640f50f546149c930b3",
"lessThan": "06f1dd1de0d33dbfbd2e1fc9fc57d8895f730de2",
"versionType": "git"
},
{
"status": "affected",
"version": "4d3c6d741816539b57fa1110c3f765a8c176d7b4",
"lessThan": "6bf8ccaabce8cebb6cb1f255c93d0acdfe95c17a",
"versionType": "git"
},
{
"status": "affected",
"version": "2bd57101c3ecf3f8c0da1d26c2b6ad511adc6d50",
"lessThan": "7616e2eee679746d526c7f5befd4eedb995935b5",
"versionType": "git"
},
{
"status": "affected",
"version": "0c0b20587b9f25a2ad14db7f80ebe49bdf29920a",
"lessThan": "43096dab8cc60fc39133205fd149a54d3acebea8",
"versionType": "git"
},
{
"status": "affected",
"version": "0c0b20587b9f25a2ad14db7f80ebe49bdf29920a",
"lessThan": "3b177b2ded563df16f6d5920671ffcfe5915d472",
"versionType": "git"
},
{
"status": "affected",
"version": "0c0b20587b9f25a2ad14db7f80ebe49bdf29920a",
"lessThan": "b9dbfb1b5699f9f1e4991f96741bdf9047147589",
"versionType": "git"
},
{
"status": "affected",
"version": "0c0b20587b9f25a2ad14db7f80ebe49bdf29920a",
"lessThan": "7ff76f8dc6b550f8d16487bf3cebc278be720b5c",
"versionType": "git"
},
{
"status": "affected",
"version": "0c0b20587b9f25a2ad14db7f80ebe49bdf29920a",
"lessThan": "da02a1824884d6c84c5e5b5ac373b0c9e3288ec2",
"versionType": "git"
},
{
"status": "affected",
"version": "36933de59f67029e5739a98393891f9b94f27e0f",
"versionType": "git"
},
{
"status": "affected",
"version": "d886b4292a1c5b4facdb2dfdc31f0fecc71df898",
"versionType": "git"
},
{
"status": "affected",
"version": "4c9ba0fed125deba8416b995b0c274b0804c0c24",
"versionType": "git"
},
{
"status": "affected",
"version": "ea0053af5dab4d63a9c44563973fb2f3bfd9eb2b",
"versionType": "git"
},
{
"status": "affected",
"version": "5.4.195",
"lessThan": "5.4.302",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.10.117",
"lessThan": "5.10.247",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.41",
"lessThan": "5.15.197",
"versionType": "semver"
},
{
"status": "affected",
"version": "4.9.315",
"lessThan": "4.10",
"versionType": "semver"
},
{
"status": "affected",
"version": "4.14.280",
"lessThan": "4.15",
"versionType": "semver"
},
{
"status": "affected",
"version": "4.19.244",
"lessThan": "4.20",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.17.9",
"lessThan": "5.18",
"versionType": "semver"
}
],
"programFiles": [
"drivers/s390/net/ctcm_mpc.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.18"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.18",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.302",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.247",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.197",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.159",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.118",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.60",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.10",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/s390/net/ctcm_mpc.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40253
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30701 · Revision 1
- Added to Heist Feed
- Publisher date