Use After Free in Linux Kernel
CVE-2022-1011
A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.
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: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git/commit/ (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2022/07/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5173 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpujul2022.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1011?
- CVE-2022-1011 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-03-18.
- How severe is CVE-2022-1011?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-1011 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.