CVE-2020-29369

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Summary

CVECVE-2020-29369
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-11-28 07:15:00 UTC
Updated2023-07-28 19:38:00 UTC
DescriptionAn issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

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
Hardware Netapp Hci Compute Node - All All All
Hardware Netapp Hci Compute Node - All All All
Application Netapp Hci Management Node - All All All
Application Netapp Hci Management Node - All All All
Hardware Netapp Hci Storage Node - All All All
Hardware Netapp Hci Storage Node - All All All
Application Netapp Solidfire - All All All
Application Netapp Solidfire - All All All

References

ReferenceSourceLinkTags
oss-security - Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards() MLIST www.openwall.com Mailing List, Patch, Third Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11 MISC cdn.kernel.org Release Notes, Vendor Advisory
oss-security - Re: CVE-2021-20200: Linux kernel: close race between munmap() and expand_upwards()/downwards() MLIST www.openwall.com Mailing List, Patch, Third Party Advisory
2056 - project-zero - Project Zero - Monorail MISC bugs.chromium.org Exploit, Issue Tracking, Patch, Third Party Advisory
CVE-2020-29369 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 750376 OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)
  • 750488 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2260-1)
  • 750518 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2020:2161-1)
  • 900040 CBL-Mariner Linux Security Update for kernel 5.4.91
  • 902838 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3625)
  • 905854 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3625-1)
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