CVE-2024-40920

HIGH EPSS 20.8%
Published Jul 12, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
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: fix suspicious rcu usage in br_mst_set_state I converted br_mst_set_state to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the suspicious rcu usage warning.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
20.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

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/406bfc04b01ee47e4c626f77ecc7d9f85135b166
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8
    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/406bfc04b01ee47e4c626f77ecc7d9f85135b166
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8
    Patch