Use After Free in Linux Kernel
CVE-2022-2977
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.
Vulnerability class: Use-After-Free
EPSS: 0.002 (14.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a Linux Kernel — versions Linux kernel versions prior to 5.18
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2022-2977?
- CVE-2022-2977 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-09-14.
- How severe is CVE-2022-2977?
- High severity. CVSS v3 base score is 7.8 out of 10.