#VU104748 Improper error handling in Linux kernel - CVE-2022-49520
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104748
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-2022-49520
CWE-ID: CWE-388
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 improper error handling within the compat_arm_syscall() function in arch/arm64/kernel/sys_compat.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/095e975f8150ccd7f852eb578c1cdbdd2f517c7a
- https://git.kernel.org/stable/c/3910ae71cb963fa2b68e684489d4fc3d105afda0
- https://git.kernel.org/stable/c/3fed9e551417b84038b15117732ea4505eee386b
- https://git.kernel.org/stable/c/621916afe8cd4f322eb12759b64a2f938d4e551d
- https://git.kernel.org/stable/c/ad97425d23af3c3b8d4f6a2bb666cb485087c007
- https://git.kernel.org/stable/c/efd183d988b416fcdf6f7c298a17ced4859ca77d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198