Memory leak in Linux kernel - CVE-2024-26844
Published: July 2, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93610
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-2024-26844
CWE-ID: CWE-401
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 memory leak within the bio_copy_user_iov() function in block/blk-map.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-26844
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/8fc80874103a5c20aebdc2401361aa01c817f75b
- https://git.kernel.org/stable/c/0f1bae071de9967602807472921829a54b2e5956
- https://git.kernel.org/stable/c/cbaf9be337f7da25742acfce325119e3395b1f1b
- https://git.kernel.org/stable/c/13f3956eb5681a4045a8dfdef48df5dc4d9f58a6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8