netfilter: nft_ct: fix missing expect put in obj eval
Summary
| CVE | CVE-2026-52970 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-24 17:17:07 UTC |
| Updated | 2026-06-24 17:17:07 UTC |
| Description | 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. |
Risk And Classification
EPSS: 0.001840000 probability, percentile 0.082040000 (date 2026-06-26)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 cdb9a25dd3416d427e8b2753210f8baf44207577 git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 26ab32ec73941871c97562ee1f39587950dc3b68 git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 7b96242ceedfe249f158419f3254bcee04173ffe git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 ecca618e1e339494911090474ed87742c0f73976 git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 2aef1b13d5c0285f340512c6c07eb858fd018fd8 git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 1dced0725e2fae3ac3416274db20a7ff5a46931d git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 84c422cea5a45fe56be839f25880f21fd33940cd git | Not specified |
| CNA | Linux | Linux | affected 857b46027d6f91150797295752581b7155b9d0e1 19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4 git | Not specified |
| CNA | Linux | Linux | affected 5.3 | Not specified |
| CNA | Linux | Linux | unaffected 5.3 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.141 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.91 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.33 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.10 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.