CVE-2026-52970

netfilter: nft_ct: fix missing expect put in obj eval

Published: 6/24/2026 Last updated: 6/24/2026 Reserved: 6/9/2026

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.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (2)

Product	Vendor	Version
Linux	Linux	V100R001C10SPC200,V100R001C20SPC200
Linux	Linux	n/a

CVE-2026-52970

netfilter: nft_ct: fix missing expect put in obj eval

Opam packages affected (29)

Products affected (2)

References (8)