CVE-2022-42703

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Summary

CVECVE-2022-42703
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-10-09 23:15:09 UTC
Updated2026-10-14 19:16:51 UTC
Descriptionmm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.009160000 probability, percentile 0.593330000 (date 2026-10-14)

Problem Types: CWE-416 | n/a

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
Project Zero: Exploiting CVE-2022-42703 - Bringing back the stack attack af854a3a-2127-422b-91ae-364da2661108 googleprojectzero.blogspot.com Exploit, Technical Description, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-831302.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
2351 - project-zero - Project Zero - Monorail af854a3a-2127-422b-91ae-364da2661108 bugs.chromium.org Exploit, Mailing List, Third Party Advisory
mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse · torvalds/linux@2555283 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 af854a3a-2127-422b-91ae-364da2661108 cdn.kernel.org Mailing List, Patch, Vendor Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160503 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-1091)
  • 160583 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2458)
  • 160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
  • 181120 Debian Security Update for linux (CVE-2022-42703)
  • 199029 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5728-1)
  • 199037 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5728-2)
  • 199051 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5728-3)
  • 199056 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5757-1)
  • 199057 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-1)
  • 199059 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5756-1)
  • 199060 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5756-2)
  • 199061 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5755-2)
  • 199070 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5756-3)
  • 199072 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5774-1)
  • 199073 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5773-1)
  • 199078 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5779-1)
  • 199084 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5789-1)
  • 199573 Ubuntu Security Notification for Linux kernel Vulnerability (USN-5916-1)
  • 241243 Red Hat Update for kernel-rt (RHSA-2023:1092)
  • 241249 Red Hat Update for kernel (RHSA-2023:1091)
  • 241417 Red Hat Update for kernel security (RHSA-2023:2458)
  • 241468 Red Hat Update for kernel-rt (RHSA-2023:2148)
  • 241504 Red Hat Update for kernel security (RHSA-2023:2951)
  • 241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
  • 241567 Red Hat Update for kernel security (RHSA-2023:3388)
  • 241823 Red Hat Update for kernel (RHSA-2023:4137)
  • 241830 Red Hat Update for kernel-rt (RHSA-2023:4138)
  • 257226 CentOS Security Update for kernel (CESA-2023:1091)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378473 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0021)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 610501 Google Android August 2023 Security Patch Missing for Samsung
  • 610502 Google Android August 2023 Security Patch Missing for Huawei EMUI
  • 610504 Google Android Devices July 2023 Security Patch Missing
  • 672410 EulerOS Security Update for kernel (EulerOS-SA-2022-2796)
  • 672454 EulerOS Security Update for kernel (EulerOS-SA-2022-2848)
  • 672474 EulerOS Security Update for kernel (EulerOS-SA-2022-2823)
  • 672495 EulerOS Security Update for kernel (EulerOS-SA-2023-1012)
  • 672516 EulerOS Security Update for kernel (EulerOS-SA-2023-1037)
  • 672532 EulerOS Security Update for kernel (EulerOS-SA-2023-1126)
  • 672564 EulerOS Security Update for kernel (EulerOS-SA-2023-1102)
  • 672711 EulerOS Security Update for kernel (EulerOS-SA-2023-1507)
  • 752814 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 31 for SLE 15 SP1) (SUSE-SU-2022:4112-1)
  • 752831 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 31 for SLE 15) (SUSE-SU-2022:4027-1)
  • 752839 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3929-1)
  • 752850 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 1 for SLE 15 SP4) (SUSE-SU-2022:4035-1)
  • 752852 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 16 for SLE 15 SP3) (SUSE-SU-2022:4100-1)
  • 752874 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 32 for SLE 15 SP1) (SUSE-SU-2022:4024-1)
  • 752875 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 2 for SLE 15 SP4) (SUSE-SU-2022:4039-1)
  • 752880 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4053-1)
  • 752889 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3897-1)
  • 752894 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 22 for SLE 15 SP3) (SUSE-SU-2022:4033-1)
  • 752902 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 30 for SLE 15) (SUSE-SU-2022:4129-1)
  • 752904 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 23 for SLE 15 SP3) (SUSE-SU-2022:4034-1)
  • 752911 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3998-1)
  • 752913 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4072-1)
  • 752915 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 33 for SLE 15 SP1) (SUSE-SU-2022:4030-1)
  • 752930 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 0 for SLE 15 SP4) (SUSE-SU-2022:4113-1)
  • 752944 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4273-1)
  • 752959 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4272-1)
  • 753038 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4573-1)
  • 753039 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4574-1)
  • 753051 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4589-1)
  • 753060 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4615-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 904169 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11095)
  • 904175 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11094)
  • 904375 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11095-1)
  • 904400 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11094-1)
  • 905923 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11095-2)
  • 906488 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (11094-2)
  • 941023 AlmaLinux Security Update for kernel (ALSA-2023:2458)
  • 941061 AlmaLinux Security Update for kernel-rt (ALSA-2023:2148)
  • 941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
  • 941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)

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