CVE-2026-52970

CVE-2026-52970: vulnerability in Linux

netfilter: nft_ct: fix missing expect put in obj eval

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
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
Linux · Linux
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In the same product, most dangerous first.

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References
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931dhttps://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffehttps://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cdhttps://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976