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Fencer Vulns
medium 4.7

CVE-2022-39188 json

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

published 2022-09-02 4 y ago modified 2026-10-14 25 d ago also EUVD-2022-41733

cvss
4.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

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-2022-39188

  • linux Ubuntu 20.04 LTS 5.4.0-136.153
  • linux Ubuntu 22.04 LTS 5.15.0-57.63
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1093.101
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1027.31
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1097.106
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1026.33
  • linux-gke Ubuntu 20.04 LTS 5.4.0-1091.98
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1024.29

ubuntu advisories UBUNTU-CVE-2022-39188

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 5.14.0-284.11.1.el9_2
  • perf RHEL 9 5.14.0-284.11.1.el9_2
  • rtla RHEL 9 5.14.0-284.11.1.el9_2
  • bpftool RHEL 9 7.0.0-284.11.1.el9_2
  • kernel-64k RHEL 9 5.14.0-284.11.1.el9_2
  • kernel-core RHEL 9 5.14.0-284.11.1.el9_2
  • kernel-tools RHEL 9 5.14.0-284.11.1.el9_2
  • python3-perf RHEL 9 5.14.0-284.11.1.el9_2

red hat advisories RHSA-2023:4801RHSA-2023:2458RHSA-2023:2148RHSA-2023:2736RHSA-2023:2951RHSA-2023:4814

  • kernel-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
  • kernel-syms-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
  • kernel-rt_debug Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
  • kernel-source-rt Real Time Module 15 SP4, openSUSE Leap 15.4 5.14.21-150400.15.5.1
  • kernel-rt SLE Micro 5.2, SLE Micro 5.1, Real Time Module 15 SP3 +1 more 5.3.18-150300.106.1
  • kernel-syms-rt Real Time Module 15 SP3 5.3.18-150300.106.1
  • kernel-rt_debug Real Time Module 15 SP3 5.3.18-150300.106.1
  • kernel-source-rt Real Time Module 15 SP3 5.3.18-150300.106.1

suse advisories SUSE-SU-2023:0416-1SUSE-SU-2022:4617-1SUSE-SU-2022:3809-1SUSE-SU-2022:3609-1SUSE-SU-2022:3587-1SUSE-SU-2022:3586-1

  • kernel-rt AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-kvm AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-core AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-modules AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-debug-kvm AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-debug-core AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-debug-modules AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8
  • kernel-rt-modules-extra AlmaLinux 8 4.18.0-477.10.1.rt7.274.el8_8

almalinux advisories ALSA-2023:2736ALSA-2023:2951ALSA-2023:2148ALSA-2023:2458

  • kernel CBL-Mariner 2.0 5.15.67.1-4

azure linux advisories AZL-10858

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2022-39188 updated cvss 4.7

kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.57.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.57.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.57.1.el8_6
    fixed: vendor fix RHSA-2023:3388
  • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.70.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.70.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.70.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.70.1.el9_0
    fixed: vendor fix RHSA-2023:4801
  • Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-284.11.1.el9_2, rtla 5.14.0-284.11.1.el9_2, kernel-devel-matched 5.14.0-284.11.1.el9_2, kernel-64k-devel-matched 5.14.0-284.11.1.el9_2, kernel-debug-devel-matched 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.11.1.el9_2, +5 more
    fixed: vendor fix RHSA-2023:2458
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.70.1.el9_0, kernel-devel-matched 5.14.0-70.70.1.el9_0, kernel-debug-devel-matched 5.14.0-70.70.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.70.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.70.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.70.1.el9_0, +2 more
    fixed: vendor fix RHSA-2023:4801
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-477.10.1.el8_8, kernel 4.18.0-477.10.1.el8_8, bpftool 4.18.0-477.10.1.el8_8, kernel-core 4.18.0-477.10.1.el8_8, kernel-tools 4.18.0-477.10.1.el8_8, python3-perf 4.18.0-477.10.1.el8_8, +15 more
    fixed: vendor fix RHSA-2023:2951
  • Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.0.0-284.11.1.el9_2, kernel 5.14.0-284.11.1.el9_2, kernel-64k 5.14.0-284.11.1.el9_2, kernel-core 5.14.0-284.11.1.el9_2, kernel-tools 5.14.0-284.11.1.el9_2, python3-perf 5.14.0-284.11.1.el9_2, +28 more
    fixed: vendor fix RHSA-2023:2458
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.57.1.el8_6, kernel 4.18.0-372.57.1.el8_6, bpftool 4.18.0-372.57.1.el8_6, kernel-core 4.18.0-372.57.1.el8_6, kernel-tools 4.18.0-372.57.1.el8_6, python3-perf 4.18.0-372.57.1.el8_6, +15 more
    fixed: vendor fix RHSA-2023:3388
show 9 more
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.70.1.el9_0, bpftool 5.14.0-70.70.1.el9_0, kernel-core 5.14.0-70.70.1.el9_0, kernel-tools 5.14.0-70.70.1.el9_0, python3-perf 5.14.0-70.70.1.el9_0, kernel-modules 5.14.0-70.70.1.el9_0, +14 more
    fixed: vendor fix RHSA-2023:4801
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-477.10.1.el8_8, kernel-debuginfo-common-aarch64 4.18.0-477.10.1.el8_8, kernel-debuginfo-common-ppc64le 4.18.0-477.10.1.el8_8
    fixed: vendor fix RHSA-2023:2951
  • Red Hat Enterprise Linux CRB (v. 9) kernel-debuginfo-common-s390x 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-x86_64 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-aarch64 5.14.0-284.11.1.el9_2, kernel-debuginfo-common-ppc64le 5.14.0-284.11.1.el9_2
    fixed: vendor fix RHSA-2023:2458
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-kvm 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-core 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-modules 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-kvm 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-core 4.18.0-477.10.1.rt7.274.el8_8, +4 more
    fixed: vendor fix RHSA-2023:2736
  • Red Hat Enterprise Linux NFV (v. 9) kernel-rt 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-kvm 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-kvm 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-core 5.14.0-284.11.1.rt14.296.el9_2, +6 more
    fixed: vendor fix RHSA-2023:2148
  • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-core 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-modules 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-core 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-modules 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-modules-extra 5.14.0-70.70.1.rt21.141.el9_0, +2 more Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-kvm 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-core 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-modules 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-kvm 5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-core 5.14.0-70.70.1.rt21.141.el9_0, +4 more
    fixed: vendor fix RHSA-2023:4814
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-core 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-modules 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-core 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-modules 4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-modules-extra 4.18.0-477.10.1.rt7.274.el8_8, +2 more
    fixed: vendor fix RHSA-2023:2736
  • Red Hat Enterprise Linux RT (v. 9) kernel-rt 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-modules-core 5.14.0-284.11.1.rt14.296.el9_2, kernel-rt-debug-modules 5.14.0-284.11.1.rt14.296.el9_2, +4 more
    fixed: vendor fix RHSA-2023:2148
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.57.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.57.1.el8_6
    fixed: vendor fix RHSA-2023:3388

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-25-044-09 updated cvss 4.7

Siemens SCALANCE W700 IEEE 802.11ax

  • Siemens SCALANCE WAB762-1 (6GK5762-1AJ00-6AA0) <V3.0.0 Siemens SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) <V3.0.0 Siemens SCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0) <V3.0.0 Siemens SCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0) <V3.0.0 Siemens SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) <V3.0.0 Siemens SCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0) <V3.0.0
    +13 more products
    Siemens SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) <V3.0.0 Siemens SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) <V3.0.0 Siemens SCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0) <V3.0.0 Siemens SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) <V3.0.0 Siemens SCALANCE WUB762-1 (6GK5762-1AJ00-1AA0) <V3.0.0 Siemens SCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0) <V3.0.0 Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) <V3.0.0 Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) <V3.0.0 Siemens SCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0) <V3.0.0 Siemens SCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0) <V3.0.0 Siemens SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) <V3.0.0 Siemens SCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0) <V3.0.0 Siemens SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) <V3.0.0
    affected: fixed in V3.0.0 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

cisa ICSA-23-166-10 updated cvss 4.7

Siemens SIMATIC S7-1500 TM MFP BIOS

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-23-166-11 updated cvss 4.7

Siemens SIMATIC S7-1500 TM MFP Linux Kernel

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds

References

Sources

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.