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.

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.

EPSS: 0.003 (21.1th percentile) — read the EPSS interpretation.

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.

Affected products

Linux — versions 3a7c1661ae1383364cd6092d851f5e5da64d476b, e43dd2b1ec746e105b7db5f9ad6ef14685a615a4, 6.9.3
Linux Linux_kernel — versions 6.10

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108

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.