Input validation error in Linux kernel - CVE-2022-49180
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104932
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-2022-49180
CWE-ID: CWE-20
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 improper input validation within the selinux_fs_context_parse_param() function in security/selinux/hooks.c, within the security_fs_context_dup() function in security/security.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49180
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/00fc07fa0b4a004711b6e1a944f0d2e46f7093b7
- https://git.kernel.org/stable/c/2784604c8c6fc523248f8f80a421c313a9d790b7
- https://git.kernel.org/stable/c/cadae7c5e477aaafcba819b8e4a3d1c1a1503b62
- https://git.kernel.org/stable/c/ddcdda888e14ca451b3ee83d11b65b2a9c8e783b
- https://git.kernel.org/stable/c/ecff30575b5ad0eda149aadad247b7f75411fd47
- https://git.kernel.org/stable/c/f3f93a1aaafc3032e0a9655fb43deccfb3e953a3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33