Memory leak in Linux kernel - CVE-2022-49682
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104339
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-2022-49682
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 calibrate_ccount() function in arch/xtensa/kernel/time.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49682
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/0dcc1dd8a5dd9240639f1051dfaa2dffc9fbbde5
- https://git.kernel.org/stable/c/0e403a383c14b63c86bd9df085b7e573e9caee64
- https://git.kernel.org/stable/c/3e5eb904d9ba657308fc75a5de434b0e58dcb8d7
- https://git.kernel.org/stable/c/7de4502af68f4f3932f450157f5483eb7b33cb74
- https://git.kernel.org/stable/c/a0117dc956429f2ede17b323046e1968d1849150
- https://git.kernel.org/stable/c/af0ff2da01521144bc11194f4c26485d7c9cee73
- https://git.kernel.org/stable/c/e5234a9d64a976abd134a14710dcd5188158a7c5
- https://git.kernel.org/stable/c/f1eaf4ba5372ad111f687a80c67e270708e14c23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.250