Buffer overflow in Linux kernel - CVE-2022-49828
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108343
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2022-49828
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2022-49828
Install update from vendor's website.