Buffer overflow in Linux kernel - CVE-2024-26718
Published: June 5, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91203
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26718
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the verity_work() and verity_end_io() functions in drivers/md/dm-verity-target.c, within the crypt_io_init(), crypt_inc_pending(), crypt_dec_pending(), kcryptd_crypt() and kcryptd_queue_crypt() functions in drivers/md/dm-crypt.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/30884a44e0cedc3dfda8c22432f3ba4078ec2d94
- https://git.kernel.org/stable/c/5735a2671ffb70ea29ca83969fe01316ee2ed6fc
- https://git.kernel.org/stable/c/0c45a20cbe68bc4d681734f5c03891124a274257
- https://git.kernel.org/stable/c/0a9bab391e336489169b95cb0d4553d921302189
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8