The PowerVR GPU kernel driver in pvrsrvkm.ko through 2021-04-24 for the Linux kernel, as…
Priority LOW 31CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
The PowerVR GPU kernel driver in pvrsrvkm.ko through 2021-04-24 for the Linux kernel, as used on Alcatel 1S phones, allows attackers to overwrite heap memory via PhysmemNewRamBackedPMR.
Why it matters now
EPSS 0.00363 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pvrsrvkm.ko_project:pvrsrvkm.ko:*:*:*:*:*:*:*:* | up to 2021-04-24 | Vulnerable | Pvrsrvkm.ko Project |
- cpe:2.3:a:pvrsrvkm.ko_project:pvrsrvkm.ko:*:*:*:*:*:*:*:* Versions up to 2021-04-24 Vulnerable ·Pvrsrvkm.ko Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31795
- 2026-10-03 Alias added: GHSA-fwhm-xh8g-8m5q
References
Sources
- CVE-2021-31795 · CVE Program
- CVE-2021-31795 · NVD
- FIRST EPSS
- GHSA-fwhm-xh8g-8m5q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences