Read the docs
TI-2022-19732 Aliases CVE-2022-41222GHSA-jfpq-w2g4-wcpm

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB…

Priority HIGH 66CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00494 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 6 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.0 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.12.18; 5.13 to before 5.13.3VulnerableLinux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*h300sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*h410cVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*h410sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*h500sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*h700sVulnerableNetApp
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*20.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*22.04VulnerableCanonical
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.0 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.12.18; 5.13 to before 5.13.3 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* Versions h300s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* Versions h410c Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* Versions h410s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* Versions h500s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* Versions h700s Vulnerable ·NetApp
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Versions 20.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:* Versions 22.04 Vulnerable ·Canonical

Remediation

Red Hat 6 advisories

  • RHSA-2023:3491 Released 2023-06-06 · Red Hat rating Important
    Red Hat Virtualization Host 4.4.z SP 1 security update
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 redhat-virtualization-host-4.5.3-202306050942_8.6, redhat-virtualization-host-image-update-4.5.3-202306050942_8.6
  • RHSA-2023:1192 Released 2023-03-13 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) kpatch-patch-4_18_0-372_26_1-1-5.el8_6, kpatch-patch-4_18_0-372_32_1-1-4.el8_6, kpatch-patch-4_18_0-372_36_1-1-3.el8_6 +2
  • RHSA-2023:1130 Released 2023-03-07 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.46.1.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.46.1.el8_6, kernel-4.18.0-372.46.1.el8_6, kernel-abi-stablelists-4.18.0-372.46.1.el8_6 +19
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.46.1.el8_6, perf-4.18.0-372.46.1.el8_6
Show 3 more Red Hat advisories
  • RHSA-2023:0832 Released 2023-02-21 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-425.13.1.el8_7
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-425.13.1.el8_7, kernel-4.18.0-425.13.1.el8_7, kernel-abi-stablelists-4.18.0-425.13.1.el8_7 +19
  • RHSA-2023:0839 Released 2023-02-21 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-425_10_1-1-1.el8_7, kpatch-patch-4_18_0-425_3_1-1-3.el8
  • RHSA-2023:0854 Released 2023-02-21 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-core-4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-4.18.0-425.13.1.rt7.223.el8_7 +9
    • Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-core-4.18.0-425.13.1.rt7.223.el8_7, kernel-rt-debug-4.18.0-425.13.1.rt7.223.el8_7 +7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:0832
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2023:1130
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:0832, RHSA-2023:0839
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2023:1130, RHSA-2023:1192
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2023:0854
Red Hat Enterprise Linux for Real Time (v. 8)Fixed RHSA-2023:0854
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2023:1130, RHSA-2023:3491
Not affected: 4 products
  • RHEL 8-based RHEV-H for RHEV 4 (build requirements)
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-41222
  2. 2026-10-03 Alias added: GHSA-jfpq-w2g4-wcpm

References

Exploit 1

Patch 2

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences