#VU91535 Improper locking in Linux kernel - CVE-2024-26644
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91535
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-2024-26644
CWE-ID: CWE-667
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 improper locking within the create_snapshot() function in fs/btrfs/ioctl.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/2bdf872bcfe629a6202ffd6641615a8ed00e8464
- https://git.kernel.org/stable/c/0877497dc97834728e1b528ddf1e1c484292c29c
- https://git.kernel.org/stable/c/6e6bca99e8d88d989a7cde4c064abea552d5219b
- https://git.kernel.org/stable/c/ec794a7528199e1be6d47bec03f4755aa75df256
- https://git.kernel.org/stable/c/d8680b722f0ff6d7a01ddacc1844e0d52354d6ff
- https://git.kernel.org/stable/c/7081929ab2572920e94d70be3d332e5c9f97095a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.76
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8