medium5.5
CVE-2026-52970
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…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.3 before 5.10.258 from 5.11 before 5.15.209 from 5.16 before 6.1.175 from 6.2 before 6.6.141 from 6.7 before 6.12.91 from 6.13 before 6.18.33 |
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4
- https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d
- https://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68
- https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8
- https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe
- https://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd
- https://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577
- https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html