#VU93751 Division by zero in Linux kernel - CVE-2024-26774
Published: July 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93751
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-2024-26774
CWE-ID: CWE-369
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 a division by zero error within the mb_update_avg_fragment_size() function in fs/ext4/mballoc.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/687061cfaa2ac3095170e136dd9c29a4974f41d4
- https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150
- https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a
- https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3
- https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150
- 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