Unrated
netfilter: nft_ct: fix missing expect put in obj eval
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj eval nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expect_related(), but never drops its local reference. Add nf_ct_expect_put(exp) before return to balance allocation.
Announced Group revision 1
Original source ↗CVE-2026-52970
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-2026-52970
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": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "cdb9a25dd3416d427e8b2753210f8baf44207577",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "26ab32ec73941871c97562ee1f39587950dc3b68",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "7b96242ceedfe249f158419f3254bcee04173ffe",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "ecca618e1e339494911090474ed87742c0f73976",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "2aef1b13d5c0285f340512c6c07eb858fd018fd8",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "1dced0725e2fae3ac3416274db20a7ff5a46931d",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "84c422cea5a45fe56be839f25880f21fd33940cd",
"versionType": "git"
},
{
"status": "affected",
"version": "857b46027d6f91150797295752581b7155b9d0e1",
"lessThan": "19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4",
"versionType": "git"
}
],
"programFiles": [
"net/netfilter/nft_ct.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.3"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.3",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.258",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.209",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.175",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.141",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.91",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.33",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.10",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/netfilter/nft_ct.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-52970
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28423 · Revision 1
- Added to Heist Feed
- Publisher date