SB2024123071 - Use-after-free in Linux kernel block
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123071
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-2024-53166)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bfq_choose_req(), bfqq_request_over_limit() and bfq_limit_depth() functions in block/bfq-iosched.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/01a853faaeaf3379ccf358ade582b1d28752126e
- https://git.kernel.org/stable/c/906cdbdd3b018ff69cc830173bce277a847d4fdc
- https://git.kernel.org/stable/c/dcaa738afde55085ac6056252e319479cf23cde2
- https://git.kernel.org/stable/c/e8b8344de3980709080d86c157d24e7de07d70ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.130
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64