CVE-2021-43057

Summary

CVECVE-2021-43057
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-28 04:15:00 UTC
Updated2023-03-01 20:15:00 UTC
DescriptionAn issue was discovered in the Linux kernel before 5.14.8. A use-after-free in selinux_ptrace_traceme (aka the SELinux handler for PTRACE_TRACEME) could be used by local attackers to cause memory corruption and escalate privileges, aka CID-a3727a8bac0a. This occurs because of an attempt to access the subjective credentials of another task.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Hardware Netapp H300e - All All All
Operating System Netapp H300e Firmware - All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500e - All All All
Operating System Netapp H500e Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700e - All All All
Operating System Netapp H700e Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All

References

ReferenceSourceLinkTags
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
CVE-2021-43057 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.8 MISC cdn.kernel.org
2229 - project-zero - Project Zero - Monorail MISC bugs.chromium.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 182657 Debian Security Update for linux (CVE-2021-43057)
  • 198586 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5162-1)
  • 900365 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6162)
  • 901498 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6602-1)
  • 906226 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6162-1)
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