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High 7.0Published Sep 21, 2022
CVE-2022-41222mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
Updated under an hour ago ()
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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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mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
- CVSS
- 7.0 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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
- mitre
- 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 | from 5.0 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.12.18; from 5.13 before 5.13.3 | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
netapp hci_baseboard_management_controller netapp:hci_baseboard_management_controller | h300s; h410c; h410s; h500s; h700s | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 18.04; 20.04; 22.04 | NVD |
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3release-notes, vendor-advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347exploit, issue-tracking, mailing-list, patch, third-party-advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2patch, vendor-advisory
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.htmlthird-party-advisory, vdb-entry
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlmailing-list, third-party-advisory
- https://security.netapp.com/advisory/ntap-20230214-0008/third-party-advisory
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.htmlpatch, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-831302.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.