Improper error handling in Linux kernel arm64 kvm

1) Improper error handling

EUVDB-ID: #VU102209

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-2024-53196

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_mmio_read_buf() and kvm_handle_mmio_return() functions in arch/arm64/kvm/mmio.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/1e46460efe1ef9a31748de7675ff8fe0d8601af2
https://git.kernel.org/stable/c/6af853cf5f897d55f42e9166f4db50e84e404fb3
https://git.kernel.org/stable/c/d0571c3add987bcb69c2ffd7a70c998bf8ce60fb
https://git.kernel.org/stable/c/e735a5da64420a86be370b216c269b5dd8e830e2
https://git.kernel.org/stable/c/ea6b5d98fea4ee8cb443ea98fda520909e90d30e

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.