#VU94477 Buffer overflow in Linux kernel - CVE-2022-48797
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94477
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48797
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the change_pte_range() function in mm/mprotect.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/254090925e16abd914c87b4ad1b489440d89c4c3
- https://git.kernel.org/stable/c/b3dc4b9d3ca68b370c4aeab5355007eedf948849
- https://git.kernel.org/stable/c/d187eeb02d18446e5e54ed6bcbf8b47e6551daea
- https://git.kernel.org/stable/c/80d47f5de5e311cbc0d01ebb6ee684e8f4c196c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.102
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17