CVE-2026-52970
Not scored
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.
Exploit probability
0.1%
Published
June 24, 2026
Required by
Not available
Last source change
August 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-52970
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52970.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-52970