Vulnerability in Linux Kernel
CVE-2022-4139
An incorrect TLB flush issue was found in the Linux kernel’s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileges on the system.
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: 0.003 (15.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel — versions 6.1
- Kernel — versions kernel 6.1-rc7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/11/30/1 (Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230309-0004/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-4139?
- CVE-2022-4139 is a high-severity vulnerability in Linux Kernel, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2023-01-27.
- How severe is CVE-2022-4139?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-4139 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.