CVE-2020-29368

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Summary

CVECVE-2020-29368
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-11-28 07:15:00 UTC
Updated2022-04-26 16:34:00 UTC
DescriptionAn issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

Risk And Classification

Problem Types: CWE-362

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All
Application Netapp Cloud Backup - All All All
Application Netapp Element Software - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Operating System Netapp Hci Bootstrap Os - All All All
Hardware Netapp Hci Compute Node - All All All
Application Netapp Hci Management Node - All All All
Application Netapp Solidfire - All All All

References

ReferenceSourceLinkTags
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5 MISC cdn.kernel.org Release Notes, Vendor Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Vendor Advisory
2045 - project-zero - Project Zero - Monorail MISC bugs.chromium.org Exploit, Issue Tracking, Patch, Third Party Advisory
CVE-2020-29368 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159492 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-4356)
  • 174764 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0738-1)
  • 174768 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0735-1)
  • 174770 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0741-1)
  • 174772 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0737-1)
  • 174774 SUSE Enterprise Linux Security update for the Linux Kernel (SUSE-SU-2021:0740-1)
  • 174805 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2) (SUSE-SU-2021:0849-1)
  • 174807 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP2) (SUSE-SU-2021:0842-1)
  • 174809 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2) (SUSE-SU-2021:0849-1)
  • 174810 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 19 for SLE 15 SP1) (SUSE-SU-2021:0853-1)
  • 174811 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP2) (SUSE-SU-2021:0840-1)
  • 174812 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP1) (SUSE-SU-2021:0859-1)
  • 174813 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP5) (SUSE-SU-2021:0818-1)
  • 174814 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 22 for SLE 15) (SUSE-SU-2021:0864-1)
  • 174816 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2) (SUSE-SU-2021:0869-1)
  • 174817 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP2) (SUSE-SU-2021:0841-1)
  • 174818 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5) (SUSE-SU-2021:0809-1)
  • 174819 SUSE Enterprise Linux Security update for the Linux Kernel (Live Patch 18 for SLE 15) (SUSE-SU-2021:0868-1)
  • 174897 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1175-1)
  • 174916 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1210-1)
  • 239816 Red Hat Update for kernel security (RHSA-2021:4356)
  • 239879 Red Hat Update for kernel-rt (RHSA-2021:4140)
  • 240494 Red Hat Update for kernel (RHSA-2022:5220)
  • 240531 Red Hat Update for kernel-rt (RHSA-2022:5224)
  • 240544 Red Hat Update for kernel-rt (RHSA-2022:5633)
  • 240545 Red Hat Update for kernel (RHSA-2022:5626)
  • 610341 Google Android May 2021 Security Patch Missing for LGE
  • 610347 Google Android May 2021 Security Patch Missing for Huawei EMUI
  • 610401 Google Android Devices March 2022 Security Patch Missing
  • 610409 Google Android April 2022 Security Patch Missing for Samsung
  • 750324 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0393-1)
  • 900040 CBL-Mariner Linux Security Update for kernel 5.4.91
  • 902890 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3628)
  • 905998 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3628-1)
  • 940265 AlmaLinux Security Update for kernel (ALSA-2021:4356)
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