What is CVE-2022-40133?

CVE-2022-40133 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.3/10. Published 2022-09-09.

How severe is CVE-2022-40133?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Use After Free in Linux Kernel

CVE-2022-40133

A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

Vulnerability class: Use-After-Free

EPSS: 0.005 (41.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H.

Affected products

Linux Kernel — versions v4.20-rc1
Linux Linux_kernel — versions 6.2

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@openanolis.org (Permissions Required, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2022-40133?: CVE-2022-40133 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.3/10. Published 2022-09-09.
How severe is CVE-2022-40133?: Medium severity. CVSS v3 base score is 6.3 out of 10.