SB2024091370 - Improper locking in Linux kernel selinux
Published: September 13, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024091370
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-2024-46695)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the smack_inode_notifysecctx() function in security/smack/smack_lsm.c, within the selinux_inode_notifysecctx() function in security/selinux/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/459584258d47ec3cc6245a82e8a49c9d08eb8b57
- https://git.kernel.org/stable/c/f71ec019257ba4f7ab198bd948c5902a207bad96
- https://git.kernel.org/stable/c/76a0e79bc84f466999fa501fce5bf7a07641b8a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.49