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Medium 5.5Published Aug 29, 2022
CVE-2022-1184A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component.
Updated under an hour ago ()
Does this affect you?
It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | before V1.1 | CISA ADP |
linux linux_kernel linux:linux_kernel | after 2.6.12 before 4.9.138; after 4.14 before 4.14.283; after 4.19 before 4.19.247; after 5.4 before 5.4.198; after 5.10 before 5.10.121; after 5.15 before 5.15.46; after 5.17 before 5.17.14; after 5.18 before 5.18.3; and 6 more ranges | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0; 9.0 | NVD |
debian debian_linux debian:debian_linux | 10.0; 11.0 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 14.04; 16.04; 18.04; 20.04 | NVD |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2070205issue-tracking, third-party-advisory
- https://access.redhat.com/security/cve/CVE-2022-1184third-party-advisory
- https://ubuntu.com/security/CVE-2022-1184patch, third-party-advisory
- https://www.debian.org/security/2022/dsa-5257vendor-advisory, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlmailing-list, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.