SB2024102207 - Use-after-free in Linux kernel mm
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102207
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-2024-47676)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vmf_anon_prepare(), hugetlb_no_page() and hugetlb_vma_unlock_read() functions in mm/hugetlb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e897d184a8dd4a4e1f39c8c495598e4d9472776c
- https://git.kernel.org/stable/c/d59ebc99dee0a2687a26df94b901eb8216dbf876
- https://git.kernel.org/stable/c/98b74bb4d7e96b4da5ef3126511febe55b76b807
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12