#VU93152 Buffer overflow in Linux kernel - CVE-2024-35804

Vulnerability identifier: #VU93152

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-2024-35804

CWE-ID: CWE-119

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 memory corruption within the emulator_cmpxchg_emulated() function in arch/x86/kvm/x86.c. 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/a9bd6bb6f02bf7132c1ab192ba62bbfa52df7d66
https://git.kernel.org/stable/c/726374dde5d608b15b9756bd52b6fc283fda7a06
https://git.kernel.org/stable/c/9d1b22e573a3789ed1f32033ee709106993ba551
https://git.kernel.org/stable/c/225d587a073584946c05c9b7651d637bd45c0c71
https://git.kernel.org/stable/c/910c57dfa4d113aae6571c2a8b9ae8c430975902

---

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.