#VU91417 Infinite loop in Linux kernel - CVE-2024-26639

Vulnerability identifier: #VU91417

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-2024-26639

CWE-ID: CWE-835

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 infinite loop within the include/linux/mmzone.h, arch/x86/include/asm/kmsan.h. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/dc904345e3771aa01d0b8358b550802fdc6fe00b
https://git.kernel.org/stable/c/6335c0cdb2ea0ea02c999e04d34fd84f69fb27ff
https://git.kernel.org/stable/c/5a33420599fa0288792537e6872fd19cc8607ea6
https://git.kernel.org/stable/c/f6564fce256a3944aa1bc76cb3c40e792d97c1eb

---

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.