Vulnerability in Linux Kernel
CVE-2021-1056
NVIDIA GPU Display Driver for Linux, all versions, contains a vulnerability in the kernel mode layer (nvidia.ko) in which it does not completely honor operating system file system permissions to provide GPU device-level isolation, which may lead to denial of service or information disclosure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Linux Kernel
- NVIDIA GPU Driver
- NVIDIA GPU Display Driver — versions All
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- nvidia.custhelp.com/app/answers/detail/a_id/5142 (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202310-02 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-1056?
- CVE-2021-1056 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 7.1/10. Published 2021-01-08.
- How severe is CVE-2021-1056?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-1056 known to be exploited?
- 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.