Memory leak in Linux kernel - CVE-2022-49080
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104358
CSH Severity: Low
CVSS v4.0: 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-2022-49080
CWE-ID: CWE-401
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 perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kmem_cache_alloc() function in mm/mempolicy.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49080
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/198932a14aeb19a15cf19e51e151d023bc4cd648
- https://git.kernel.org/stable/c/25f506273b6ae806fd46bfcb6fdaa5b9ec81a05b
- https://git.kernel.org/stable/c/39a32f3c06f6d68a530bf9612afa19f50f12e93d
- https://git.kernel.org/stable/c/4ad099559b00ac01c3726e5c95dc3108ef47d03e
- https://git.kernel.org/stable/c/5e16dc5378abd749a836daa9ee4ab2c8d2668999
- https://git.kernel.org/stable/c/6e00309ac716fa8225f0cbde2cd9c24f0e74ee21
- https://git.kernel.org/stable/c/8510c2346d9e47a72b7f018a36ef0c39483e53d6
- https://git.kernel.org/stable/c/f7e183b0a7136b6dc9c7b9b2a85a608a8feba894
- https://git.kernel.org/stable/c/fe39ac59dbbf893b73b24e3184161d0bd06d6651
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3