CVE-2022-1184
MEDIUMCVSS 5.5/10EPSS 0.28%
Last modified
CVE-2022-1184 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | > 2.6.12, < 4.9.138 |
| Linux | Linux Kernel | > 4.14, < 4.14.283 |
| Linux | Linux Kernel | > 4.19, < 4.19.247 |
| Linux | Linux Kernel | > 5.4, < 5.4.198 |
| Linux | Linux Kernel | > 5.10, < 5.10.121 |
| Linux | Linux Kernel | > 5.15, < 5.15.46 |
| Linux | Linux Kernel | > 5.17, < 5.17.14 |
| Linux | Linux Kernel | > 5.18, < 5.18.3 |
| Linux | Linux Kernel | 2.6.12 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
References
- https://access.redhat.com/security/cve/CVE-2022-1184Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://ubuntu.com/security/CVE-2022-1184Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-1184Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://ubuntu.com/security/CVE-2022-1184Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-1184?
CVE-2022-1184 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1184?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-1184?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST