Improper error handling in Linux kernel kvm vgic

1) Improper error handling

EUVDB-ID: #VU93450

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-2024-36953

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the kvm_register_vgic_device() function in arch/arm64/kvm/vgic/vgic-kvm-device.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 6.8.9

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.3:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/4404465a1bee3607ad90a4c5f9e16dfd75b85728
https://git.kernel.org/stable/c/17db92da8be5dd3bf63c01f4109fe47db64fc66f
https://git.kernel.org/stable/c/3a5b0378ac6776c7c31b18e0f3c1389bd6005e80
https://git.kernel.org/stable/c/8d6a1c8e3de36cb0f5e866f1a582b00939e23104
https://git.kernel.org/stable/c/01981276d64e542c177b243f7c979fee855d5487
https://git.kernel.org/stable/c/6ddb4f372fc63210034b903d96ebbeb3c7195adb
https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.217
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.159
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.91
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10

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.