Input validation error in Linux kernel - CVE-2022-49739
Published: March 28, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106234
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-2022-49739
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 gfs2_dinode_in() function in fs/gfs2/glops.c, within the gfs2_unstuffer_page() function in fs/gfs2/bmap.c, within the stuffed_readpage() function in fs/gfs2/aops.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49739
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/45df749f827c286adbc951f2a4865b67f0442ba9
- https://git.kernel.org/stable/c/46c9088cabd4d0469fdb61ac2a9c5003057fe94d
- https://git.kernel.org/stable/c/4d4cb76636134bf9a0c9c3432dae936f99954586
- https://git.kernel.org/stable/c/70376c7ff31221f1d21db5611d8209e677781d3a
- https://git.kernel.org/stable/c/7c414f6f06e9a3934901b6edc3177ae5a1e07094
- https://git.kernel.org/stable/c/d458a0984429c2d47e60254f5bc4119cbafe83a2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11