SB20240624113 - Resource management error in Linux kernel bridge



SB20240624113 - Resource management error in Linux kernel bridge

Published: June 24, 2024 Updated: May 13, 2025

Security Bulletin ID SB20240624113
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource management error (CVE-ID: CVE-2024-27018)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to resource management error within the nf_ct_bridge_pre() function in net/bridge/netfilter/nf_conntrack_bridge.c, within the br_nf_local_in() function in net/bridge/br_netfilter_hooks.c, within the br_netif_receive_skb(), br_pass_frame_up(), br_handle_frame_finish() and br_handle_frame() functions in net/bridge/br_input.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.