CVE-2022-1184
MEDIUM severity · CVSS 5.5 · Use-after-free
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (4)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://ubuntu.com/security/CVE-2022-1184 ↗
Additional information
- NVD record
- https://ubuntu.com/security/CVE-2022-1184Patch
- https://access.redhat.com/security/cve/CVE-2022-1184Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlAdvisory
- https://www.debian.org/security/2022/dsa-5257Advisory