Use After Free in Linux Kernel
CVE-2022-1184
A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% 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 2.6.12
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 10.0, 11.0
- Red Hat Enterprise Linux — versions 8.0, 9.0
- Kernel — versions Not-known
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/CVE-2022-1184 (Third Party Advisory)
- ubuntu.com/security/CVE-2022-1184 (Patch, Third Party Advisory)
- www.debian.org/security/2022/dsa-5257 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00001.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1184?
- CVE-2022-1184 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2022-08-29.
- How severe is CVE-2022-1184?
- Medium severity. CVSS v3 base score is 5.5 out of 10.