Use After Free in Linux Kernel
CVE-2022-38457
A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' 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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Linux Kernel — versions v4.20-rc1
- Linux Kernel — versions 6.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.openanolis.cn/show_bug.cgi (Permissions Required, Issue Tracking)
Frequently asked questions
- What is CVE-2022-38457?
- CVE-2022-38457 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-2022-38457?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2022-38457 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.