Medium 4.7Published Sep 1, 2022

CVE-2022-39188An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19.

Updated under an hour ago (Oct 27, 2026, 9:00 AM ET)

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It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 2 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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Every CVE for Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Exploited in the last 30 days

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

CVSS: 4.7 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
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

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	before 5.19	NVD
debian debian_linux debian:debian_linux	10.0; 10.0; 11.0	NVD

References

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=2329	issue-tracking, patch, third-party-advisory
https://lore.kernel.org/stable/CAG48ez3SEqOPcPCYGHVZv4iqEApujD5VtM3Re-tCKLDEFdEdbg%40mail.gmail.com/
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19	patch, release-notes, vendor-advisory
https://github.com/torvalds/linux/commit/b67fbebd4cf980aecbcc750e1462128bffe8ae15	patch, third-party-advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b67fbebd4cf980aecbcc750e1462128bffe8ae15	patch, vendor-advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html	mailing-list, third-party-advisory
https://www.debian.org/security/2022/dsa-5257	vendor-advisory, third-party-advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html	mailing-list, third-party-advisory
https://cert-portal.siemens.com/productcert/html/ssa-769027.html
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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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.