#VU91379 Division by zero in Linux kernel - CVE-2024-26720
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91379
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-2024-26720
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 wb_dirty_limits() function in mm/page-writeback.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/c593d26fb5d577ef31b6e49a31e08ae3ebc1bc1e
- https://git.kernel.org/stable/c/1f12e4b3284d6c863f272eb2de0d4248ed211cf4
- https://git.kernel.org/stable/c/81e7d2530d458548b90a5c5e76b77ad5e5d1c0df
- https://git.kernel.org/stable/c/5099871b370335809c0fd1abad74d9c7c205d43f
- https://git.kernel.org/stable/c/16b1025eaa8fc223ab4273ece20d1c3a4211a95d
- https://git.kernel.org/stable/c/ec18ec230301583395576915d274b407743d8f6c
- https://git.kernel.org/stable/c/65977bed167a92e87085e757fffa5798f7314c9f
- https://git.kernel.org/stable/c/9319b647902cbd5cc884ac08a8a6d54ce111fc78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.307
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.318
- 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-5.10.222
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.280
- 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-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- 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-6.6.39
- 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