Medium 5.5Published Oct 8, 2022

CVE-2022-42703mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 1 other product. 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

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

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): 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 5.19.7	NVD

References

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=2351	exploit, mailing-list, third-party-advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7	mailing-list, patch, vendor-advisory
https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b	patch, third-party-advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b	mailing-list, patch, vendor-advisory
https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html	exploit, technical-description, 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.