Improper error handling in Linux kernel - CVE-2022-49879
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108331
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-2022-49879
CWE-ID: CWE-388
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 error handling within the make_indexed_dir() function in fs/ext4/namei.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49879
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/156451a67b93986fb07c274ef6995ff40766c5ad
- https://git.kernel.org/stable/c/17a0bc9bd697f75cfdf9b378d5eb2d7409c91340
- https://git.kernel.org/stable/c/2fa24d0274fbf913b56ee31f15bc01168669d909
- https://git.kernel.org/stable/c/999cff2b6ce3b45c08abf793bf55534777421327
- https://git.kernel.org/stable/c/ce1ee2c8827fb6493e91acbd50f664cf2a972c3d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8