#VU91375 Division by zero in Linux kernel - CVE-2024-26941

Vulnerability identifier: #VU91375

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2024-26941

CWE-ID: CWE-369

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 drm_dp_bw_overhead() function in drivers/gpu/drm/display/drm_dp_helper.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.8, 6.8 rc1, 6.8 rc2, 6.8 rc5, 6.8.1, 6.8.2

---

External links
https://git.kernel.org/stable/c/828862071a6ca0c52655e6e62ac7abfef3e5c578
https://git.kernel.org/stable/c/9cbd1dae842737bfafa4b10a87909fa209dde250
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.