Vulnerability in Linux

CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state Pass the already obtained vlan group pointer to br_mst_vlan_set_state() instead of dereferencing it again. Each caller has already correctly dereferenced it for their context. This change is required for the following suspicious RCU dereference fix. No functional changes intended.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-40921: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Linux — versions 3a7c1661ae1383364cd6092d851f5e5da64d476b, e43dd2b1ec746e105b7db5f9ad6ef14685a615a4, 6.9.3
  • Linux Kernel — versions 6.10

References

Frequently asked questions

What is CVE-2024-40921?
CVE-2024-40921 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-07-12.
How severe is CVE-2024-40921?
Medium severity. CVSS v3 base score is 5.5 out of 10.