Use After Free in Linux Kernel
CVE-2022-1280
A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service (DoS) or a kernel information leak.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.6% 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
- Red Hat Enterprise Linux — versions 8.0
- Kernel — versions kernel 5.17.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/04/12/3 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1280?
- CVE-2022-1280 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.3/10. Published 2022-04-13.
- How severe is CVE-2022-1280?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2022-1280 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.