What is CVE-2026-23393?

CVE-2026-23393 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-25.

How severe is CVE-2026-23393?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-23393

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peer_mep deletion When a peer MEP is being deleted, cancel_delayed_work_sync() is called on ccm_rx_dwork before freeing. However, br_c…

EPSS: 0.000 (2.6th 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 dc32cbb3dbd7da38c700d6e0fc6354df24920525, 5.11, 0

References

git.kernel.org/stable/c/e89dbd2736a45f0507949af4748cbbf3ff793146
git.kernel.org/stable/c/d8f35767bacb3c7769d470a41cf161e3f3c07e70
git.kernel.org/stable/c/1fd81151f65927fd9edb8ecd12ad45527dbbe5ab
git.kernel.org/stable/c/3715a00855316066cdda69d43648336367422127

Frequently asked questions

What is CVE-2026-23393?: CVE-2026-23393 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-25.
How severe is CVE-2026-23393?: High severity. CVSS v3 base score is 7.8 out of 10.