CVE-2022-1184 json
A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component.
published 2022-08-29 4 y ago modified 2026-10-14 25 d ago also EUVD-2022-24524
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
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.
Patch / fix
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem V1.1
- linux Debian 14, Debian 13, Debian 12 5.19.6-1
debian advisories DEBIAN-CVE-2022-1184
- linux Ubuntu 20.04 LTS 5.4.0-156.173
- linux Ubuntu 22.04 LTS 5.15.0-60.66
- linux-aws Ubuntu 20.04 LTS 5.4.0-1107.115
- linux-aws Ubuntu 22.04 LTS 5.15.0-1030.34
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1110.119
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1029.36
- linux-gke Ubuntu 20.04 LTS 5.4.0-1105.112
- linux-gke Ubuntu 22.04 LTS 5.15.0-1027.32
ubuntu advisories UBUNTU-CVE-2022-1184
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 9 5.14.0-162.6.1.el9_1
- perf RHEL 9 5.14.0-162.6.1.el9_1
- bpftool RHEL 9 5.14.0-162.6.1.el9_1
- kernel-core RHEL 9 5.14.0-162.6.1.el9_1
- kernel-tools RHEL 9 5.14.0-162.6.1.el9_1
- python3-perf RHEL 9 5.14.0-162.6.1.el9_1
- kernel-modules RHEL 9 5.14.0-162.6.1.el9_1
- kernel-zfcpdump RHEL 9 5.14.0-162.6.1.el9_1
red hat advisories RHSA-2022:8267RHSA-2022:7933RHSA-2022:7683RHSA-2024:1877RHSA-2022:7444
- kernel-64kb SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS, Enterprise Storage 7.1 5.3.18-150300.59.201.1
- kernel-syms SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.201.1
- kernel-source SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.201.1
- kernel-default SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +5 more 5.3.18-150300.59.201.1
- kernel-preempt SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.201.1
- kernel-obs-build SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.59.201.1
- kernel-default-base SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +3 more 5.3.18-150300.59.201.1.150300.18.120.1
- kernel-64kb SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS, SLE High Performance Computing 15 SP5-ESPOS 5.14.21-150500.55.100.1
suse advisories SUSE-SU-2025:1293-1SUSE-SU-2025:1263-1SUSE-SU-2025:1241-1SUSE-SU-2025:1194-1SUSE-SU-2025:1183-1SUSE-SU-2025:1176-1
- kernel-rt openSUSE Leap Micro 5.2 5.3.18-150300.93.1
opensuse advisories openSUSE-SU-2022:2177-1
- kernel-rt AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-debug-kvm AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-debug-core AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-debug-modules AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
- kernel-rt-modules-extra AlmaLinux 9 5.14.0-162.6.1.rt21.168.el9_1
almalinux advisories ALSA-2022:7933ALSA-2022:8267ALSA-2022:7444ALSA-2022:7683
- kernel Rocky Linux 8 4.18.0-425.3.1.el8
- kernel-rt Rocky Linux 8 4.18.0-425.3.1.rt7.213.el8
rocky linux advisories RLSA-2022:7683RLSA-2022:7444
- ubuntu.com/security/CVE-2022-1184 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-1184 updated cvss 5.5
kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image
-
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-425.3.1.el8, kernel-debuginfo-common-aarch64 4.18.0-425.3.1.el8, kernel-debuginfo-common-ppc64le 4.18.0-425.3.1.el8fixed: vendor fix RHSA-2022:7683
-
Red Hat CodeReady Linux Builder (v. 9) kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-aarch64 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-ppc64le 5.14.0-162.6.1.el9_1fixed: vendor fix RHSA-2022:8267
-
Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.100.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.100.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.100.1.el8_6fixed: vendor fix RHSA-2024:1877
-
Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-162.6.1.el9_1, kernel-devel-matched 5.14.0-162.6.1.el9_1, kernel-debug-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-s390x 5.14.0-162.6.1.el9_1, kernel-zfcpdump-devel-matched 5.14.0-162.6.1.el9_1, kernel-debuginfo-common-x86_64 5.14.0-162.6.1.el9_1, +2 morefixed: vendor fix RHSA-2022:8267
-
Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-425.3.1.el8, kernel 4.18.0-425.3.1.el8, bpftool 4.18.0-425.3.1.el8, kernel-core 4.18.0-425.3.1.el8, kernel-tools 4.18.0-425.3.1.el8, python3-perf 4.18.0-425.3.1.el8, +15 morefixed: vendor fix RHSA-2022:7683
-
Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-162.6.1.el9_1, bpftool 5.14.0-162.6.1.el9_1, kernel-core 5.14.0-162.6.1.el9_1, kernel-tools 5.14.0-162.6.1.el9_1, python3-perf 5.14.0-162.6.1.el9_1, kernel-modules 5.14.0-162.6.1.el9_1, +14 morefixed: vendor fix RHSA-2022:8267
-
Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.100.1.el8_6, kernel 4.18.0-372.100.1.el8_6, bpftool 4.18.0-372.100.1.el8_6, kernel-core 4.18.0-372.100.1.el8_6, kernel-tools 4.18.0-372.100.1.el8_6, python3-perf 4.18.0-372.100.1.el8_6, +15 morefixed: vendor fix RHSA-2024:1877
-
Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-425.3.1.rt7.213.el8, kernel-rt-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules-extra 4.18.0-425.3.1.rt7.213.el8, +2 morefixed: vendor fix RHSA-2022:7444
show 4 moreshow fewer
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Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules-extra 5.14.0-162.6.1.rt21.168.el9_1, +2 morefixed: vendor fix RHSA-2022:7933
-
Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-425.3.1.rt7.213.el8, kernel-rt-kvm 4.18.0-425.3.1.rt7.213.el8, kernel-rt-core 4.18.0-425.3.1.rt7.213.el8, kernel-rt-modules 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-kvm 4.18.0-425.3.1.rt7.213.el8, kernel-rt-debug-core 4.18.0-425.3.1.rt7.213.el8, +4 morefixed: vendor fix RHSA-2022:7444
-
Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-core 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-modules 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-kvm 5.14.0-162.6.1.rt21.168.el9_1, kernel-rt-debug-core 5.14.0-162.6.1.rt21.168.el9_1, +4 morefixed: vendor fix RHSA-2022:7933
-
Red Hat Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.100.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.100.1.el8_6fixed: vendor fix RHSA-2024:1877
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-23-166-11 updated cvss 5.5
Siemens SIMATIC S7-1500 TM MFP Linux Kernel
-
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem <V1.1affected: fixed in V1.1, workaround support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- n/a Kernel
- Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
ubuntu.com
/security/CVE-2022-1184
patch, third-party-advisory
-
debian.org
/security/2022/dsa-5257
vendor-advisory, third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=2070205
issue-tracking, third-party-advisory
-
access.redhat.com
/security/cve/CVE-2022-1184
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2022/11/msg00001.html
mailing-list, third-party-advisory
- cert-portal.siemens.com /productcert/html/ssa-794697.html
Sources
- CVE List CVE-2022-1184
- NVD CVE-2022-1184
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.