SB20250502248 - Buffer overflow in Linux kernel hugetlbfs
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502248
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-49828)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the me_huge_page() function in mm/memory-failure.c, within the hugetlb_mcopy_atomic_pte() function in mm/hugetlb.c, within the hugetlbfs_read_iter() and hugetlbfs_migrate_page() functions in fs/hugetlbfs/inode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.