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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://ubuntu.com/security/CVE-2022-1184 Patch, Third Party Advisory
- https://ubuntu.com/security/CVE-2022-1184 Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · linux, redhat, debianNVD modified 2026-10-14 13:17
Affected (CPE criteria) 15
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:2.6.12:rc6:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
References 11
- https://access.redhat.com/security/cve/CVE-2022-1184 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://ubuntu.com/security/CVE-2022-1184 Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-1184 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://ubuntu.com/security/CVE-2022-1184 Patch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html