CVE-2024-40921

MEDIUM EPSS 20.5%
Published Jul 12, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 12, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
20.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥6.1.93  –  <6.1.95
linuxlinux_kernel*≥6.6.33  –  <6.6.35
linuxlinux_kernel*≥6.8.12  –  <6.9
linuxlinux_kernel*≥6.9.3  –  <6.9.6
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/09f4337c27f5bdeb8646a6db91488cc2f7d537ff
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/36c92936e868601fa1f43da6758cf55805043509
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a6cc9e9a651b9861efa068c164ee62dfba68c6ca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d2dc02775fc0c4eacaee833a0637e5958884a8e5
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/09f4337c27f5bdeb8646a6db91488cc2f7d537ff
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/36c92936e868601fa1f43da6758cf55805043509
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a6cc9e9a651b9861efa068c164ee62dfba68c6ca
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d2dc02775fc0c4eacaee833a0637e5958884a8e5
    Patch