Improper error handling in Linux kernel - CVE-2022-49167
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104757
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-2022-49167
CWE-ID: CWE-388
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 improper error handling within the btrfs_submit_data_bio() and bio_endio() functions in fs/btrfs/inode.c, within the btrfs_submit_compressed_read() and kfree() functions in fs/btrfs/compression.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49167
Install update from vendor's website.
Linux kernel - addressed in versions 5.16.19, 5.17.2, 5.18
External References
- https://git.kernel.org/stable/c/4a4ceb2b990771c374d85d496a1a45255dde48e3
- https://git.kernel.org/stable/c/987b5df1d10355d377315a26e7fb6c72ded83c9f
- https://git.kernel.org/stable/c/f9f15de85d74e7eef021af059ca53a15f041cdd8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18