Memory leak in Linux kernel - CVE-2022-49857
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108190
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49857
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the prestera_rxtx_switch_init() function in drivers/net/ethernet/marvell/prestera/prestera_rxtx.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49857
Install update from vendor's website.
Linux kernel - update to 5.10.155
External References
- https://git.kernel.org/stable/c/31e5084ac6876e52dbb0a1cc4fc18b6c79979f31
- https://git.kernel.org/stable/c/409731df6310a33f4d0a3ef594d2410cdcd637f2
- https://git.kernel.org/stable/c/519b58bbfa825f042fcf80261cc18e1e35f85ffd
- https://git.kernel.org/stable/c/5333cf1b7f6861912aff6263978d4781f9858e47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.155