Out-of-bounds write in Linux kernel - CVE-2022-0516

 

Out-of-bounds write in Linux kernel - CVE-2022-0516

Published: March 10, 2022


Vulnerability identifier: #VU61247
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-0516
CWE-ID: CWE-787
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 user to escalate privileges on the system.

The vulnerability exists due to a boundary error in kvm_s390_guest_sida_op() function in the arch/s390/kvm/kvm-s390.c in KVM for s390 in the Linux kernel. A local user can trigger an out-of-bounds write and escalate privileges on the system.


How to mitigate CVE-2022-0516

Install updates from vendor's website.

Sources