Vulnerability in Linux
CVE-2026-23391
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…
EPSS: 0.000 (6.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 24de58f465165298aaa8f286b2592f0163706cfe, 3.4, 0
References
- git.kernel.org/stable/c/55445134d42b84cb0a272e42c98d233ca65eca83
- git.kernel.org/stable/c/cc57506dd66555899560b9c0f24e813f034e12ec
- git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256
- git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec
- git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9
- git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c
- git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325
- git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b
Frequently asked questions
- What is CVE-2026-23391?
- CVE-2026-23391 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-25.
- How severe is CVE-2026-23391?
- High severity. CVSS v3 base score is 7.8 out of 10.