CVE-2026-52970

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < cdb9a25dd3416d427e8b2753210f8baf44207577affected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 26ab32ec73941871c97562ee1f39587950dc3b68affected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 7b96242ceedfe249f158419f3254bcee04173ffeaffected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < ecca618e1e339494911090474ed87742c0f73976affected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 2aef1b13d5c0285f340512c6c07eb858fd018fd8affected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 1dced0725e2fae3ac3416274db20a7ff5a46931daffected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 84c422cea5a45fe56be839f25880f21fd33940cdaffected
LinuxLinux857b46027d6f91150797295752581b7155b9d0e1 < 19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4affected
LinuxLinux5.3affected
LinuxLinux0 < 5.3unaffected
LinuxLinux5.10.258 <= 5.10.*unaffected
LinuxLinux5.15.209 <= 5.15.*unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References