net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.
CVE-2025-40187
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-2025-40187
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": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "1014b83778c8677f1d7a57c26dc728baa801ac62",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "7f702f85df0266ed7b5bab81ba50394c92f3c928",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "dbceedc0213e75bf3e9f9f9e2f66b10699d004fe",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "025419f4e216a3ae0d0cec622262e98e8078c447",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "c21f45cfa4a9526b34d76b397c9ef080668b6e73",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "d0e8f1445c19b1786759ba72a38267e1449bab7e",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "badbd79313e6591616c1b78e29a9b71efed7f035",
"versionType": "git"
},
{
"status": "affected",
"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b",
"lessThan": "2f3119686ef50319490ccaec81a575973da98815",
"versionType": "git"
}
],
"programFiles": [
"net/sctp/sm_statefuns.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.17"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.17",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.301",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.246",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.195",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.157",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.113",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.54",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.4",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/sctp/sm_statefuns.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40187
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30693 · Revision 1
- Added to Heist Feed
- Publisher date