#VU111627 Buffer overflow in Linux kernel - CVE-2022-49952
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111627
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49952
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the fastrpc_cb_probe() function in drivers/misc/fastrpc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0e33b0f322fecd7a92d9dc186535cdf97940a856
- https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5
- https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a
- https://git.kernel.org/stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336
- https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.213