Use After Free in VMware Photon OS
CVE-2022-22942
The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.
Vulnerability class: Use-After-Free
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.026 (84.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- VMware Photon OS — versions 3.0, 4.0
- Photon OS — versions 3.0, 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/vmware/photon/wiki/Security-Update-3.0-356 (Release Notes)
- github.com/vmware/photon/wiki/Security-Update-4.0-148 (Release Notes)
- www.openwall.com/lists/oss-security/2022/01/27/4 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-22942?
- CVE-2022-22942 is a high-severity vulnerability in VMware Photon OS, classified under Use After Free. CVSS score: 7.8/10. Published 2023-12-13.
- How severe is CVE-2022-22942?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-22942 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.