VDB
CVE-2026-23391
CVE-2026-23391
PUBLISHED
CVSS 7.800000190734863 HIGH
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.
EPSS 0.02% · 6.3th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.02%
6.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| linux | linux_kernel | 3.4, 3.4, 3.4 |
| Linux | Linux | 24de58f465165298aaa8f286b2592f0163706cfe, 24de58f465165298aaa8f286b2592f0163706cfe, 24de58f465165298aaa8f286b2592f0163706cfe |
Exploit Intelligence
- CIRCL seen: CVE-2026-23391 (circl-sighting)
- CIRCL seen: CVE-2026-23391 (circl-sighting)
- CIRCL seen: CVE-2026-23391 (circl-sighting)
- CIRCL seen: CVE-2026-23391 (circl-sighting)
- https://git.kernel.org/stable/c/55445134d42b84cb0a272e42c98d233ca65eca83 (circl)
- https://git.kernel.org/stable/c/cc57506dd66555899560b9c0f24e813f034e12ec (circl)
- CIRCL seen: CVE-2026-23391 (circl-sighting)
- https://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b (circl)
- https://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256 (circl)
- https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325 (circl)
…and 18 more exploits
Timeline
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 CVE Published
- Mar 25, 2026 PoC Published
- Mar 29, 2026 Security Advisory
- Mar 29, 2026 PoC Published
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
References
- https://git.kernel.org/stable/c/d2d0bae0c9a2a17b6990a2966f5cdce0813d6256 url
- https://git.kernel.org/stable/c/63b8097cea1923fe82cd598068d0796da8c015ec url
- https://git.kernel.org/stable/c/19a230dec6bb8928e3f96387f9085cf2c79bcef9 url
- https://git.kernel.org/stable/c/cb549925875fa06dd155e49db4ac2c5044c30f9c url
- https://git.kernel.org/stable/c/777d02efe3d630cca4c1b63962cec17c57711325 url
- https://git.kernel.org/stable/c/f62a218a946b19bb59abdd5361da85fa4606b96b url
- https://nvd.nist.gov/vuln/detail/CVE-2026-23391 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32748 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-4438 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23347 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23268 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23392 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23319 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23253 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23296 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23364 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23368 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27654 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-30922 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23286 advisory
…and 159 more