PT-2022-6408 · Linux+4 · Linux Kernel+4

Mingwei Zhang · Published 2022-04-21 · Updated 2023-08-14 · CVE-2022-0171

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw was found in the Linux kernel, specifically in the KVM SEV API, which allows a non-root user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPUs that support Secure Encrypted Virtualization (SEV). The vulnerability is related to a violation of processor cache integrity. Exploitation of this issue can lead to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-459

CWE-212

Related Identifiers

ALT-PU-2022-2050

ALT-PU-2022-2131

ALT-PU-2022-2152

ALT-PU-2022-2155

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

AZL-10759

BDU:2023-01198

CVE-2022-0171

DLA-3173-1

DSA-5257-1

DSA-5257-2

MGASA-2022-0379

MGASA-2022-0380

USN-5792-1

USN-5792-2

USN-5877-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Ubuntu

References · 80

• https://cve.org/CVERecord?id=CVE-2022-0171 · Security Note
• https://osv.dev/vulnerability/USN-5792-2 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5257-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0380 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2038940 · Patch
• https://ubuntu.com/security/CVE-2022-20421 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3628 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-0171 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-0426SE17 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4662 · Vendor Advisory
• https://debian.org/security/2022/dsa-5257 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-39188 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-39842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3649 · Vendor Advisory