#VU104506 Out-of-bounds read in Linux kernel - CVE-2022-49407
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104506
Vulnerability risk: Low
CVSSv4.0: 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-2022-49407
CWE-ID: CWE-125
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 perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the dlm_posix_lock(), dlm_plock_callback() and dev_write() functions in fs/dlm/plock.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/2c55155cc365861044d9e6e80e342693e8805e33
- https://git.kernel.org/stable/c/42252d0d2aa9b94d168241710a761588b3959019
- https://git.kernel.org/stable/c/49cd9eb7b9a7b88124b31e31f8e539acaf1b3a6d
- https://git.kernel.org/stable/c/56aa8d1fbd02357f3bf81bdfba1cde87ce8402fc
- https://git.kernel.org/stable/c/5a1765adf9855cf0f6d3f7e0eb4b78ca66f70dee
- https://git.kernel.org/stable/c/72f2f68970f9bdc252d59e119b385a6441b0b155
- https://git.kernel.org/stable/c/899bc4429174861122f0c236588700a4710c1fec
- https://git.kernel.org/stable/c/acdad5bc9827922ec2f2e84fd198718aa8e8ab92
- https://git.kernel.org/stable/c/e421872fa17542cf33747071fb141b0130ce9ef7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3