SB2024060833 - Improper locking in Linux kernel
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060833
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-27415)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nf_conntrack_init_end() function in net/netfilter/nf_conntrack_core.c, within the nf_ct_bridge_pre() function in net/bridge/netfilter/nf_conntrack_bridge.c, within the IS_ENABLED() and br_nf_pre_routing() functions in net/bridge/br_netfilter_hooks.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7c3f28599652acf431a2211168de4a583f30b6d5
- https://git.kernel.org/stable/c/2b1414d5e94e477edff1d2c79030f1d742625ea0
- https://git.kernel.org/stable/c/80cd0487f630b5382734997c3e5e3003a77db315
- https://git.kernel.org/stable/c/cb734975b0ffa688ff6cc0eed463865bf07b6c01
- https://git.kernel.org/stable/c/62e7151ae3eb465e0ab52a20c941ff33bb6332e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8