SB2024071331 - Use-after-free in Linux kernel btrfs
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071331
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-39496)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the btrfs_load_zone_info() function in fs/btrfs/zoned.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/17765964703b88d8befd899f8501150bb7e07e43
- https://git.kernel.org/stable/c/092571ef9a812566c8f2c9038d9c2a64c49788d6
- https://git.kernel.org/stable/c/a0cc006f4214b87e70983c692e05bb36c59b5752
- https://git.kernel.org/stable/c/0090d6e1b210551e63cf43958dc7a1ec942cdde9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35