CVE-2026-23391 | BDVDB-2026-322641 Detail
LinuxLinux
Description#
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_CT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy, nfnetlink_cttimeout might remove it. The use of templates with zone and event cache filter are safe, since this just copies values. Flush these enqueued packets in case the template rule gets removed.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-416 Use After Free
References#
- https://git.kernel.org/stable/c/55445134d42b84cb0a272e42c98d233ca65eca83
- https://git.kernel.org/stable/c/cc57506dd66555899560b9c0f24e813f034e12ec
- https://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256
- https://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec
- https://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9
- https://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c
- https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325
- https://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.