NULL pointer dereference in Linux kernel - CVE-2022-1789

 

NULL pointer dereference in Linux kernel - CVE-2022-1789

Published: June 14, 2022


Vulnerability identifier: #VU64261
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-1789
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The vulnerability exists due to NULL pointer dereference in kvm_mmu_invpcid_gva. A local attacker can trigger vulnerability to perform a denial of service (DoS) attack.


How to mitigate CVE-2022-1789

Install update from vendor's website.

Sources