CVE-2021-3679

Summary

CVECVE-2021-3679
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-05 20:15:00 UTC
Updated2022-10-27 12:29:00 UTC
DescriptionA lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.

Risk And Classification

Problem Types: CWE-835

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.14 - All All
Operating System Linux Linux Kernel 5.14 rc1 All All
Operating System Linux Linux Kernel 5.14 rc2 All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
1989165 – (CVE-2021-3679) CVE-2021-3679 kernel: DoS in rb_per_cpu_empty() MISC bugzilla.redhat.com
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
[SECURITY] [DLA 2785-1] linux-4.19 security update MLIST lists.debian.org
Debian -- Security Information -- DSA-4978-1 linux DEBIAN www.debian.org
[SECURITY] [DLA 2843-1] linux security update MLIST lists.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159402 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9458)
  • 159404 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9460)
  • 159424 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9485)
  • 159427 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9488)
  • 159492 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-4356)
  • 178809 Debian Security Update for linux (DSA 4978-1)
  • 178844 Debian Security Update for linux-4.19 (DLA 2785-1)
  • 178943 Debian Security Update for linux (DLA 2843-1)
  • 179600 Debian Security Update for linux (CVE-2021-3679)
  • 198514 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5091-1)
  • 198515 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5092-1)
  • 198518 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5094-2)
  • 198520 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5094-1)
  • 198521 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5091-2)
  • 198523 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5092-2)
  • 198524 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5096-1)
  • 198542 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5115-1)
  • 239816 Red Hat Update for kernel security (RHSA-2021:4356)
  • 239879 Red Hat Update for kernel-rt (RHSA-2021:4140)
  • 352871 Amazon Linux Security Advisory for kernel : ALAS-2021-1539
  • 353097 Amazon Linux Security Advisory for kernel : ALAC2012-2021-033
  • 353098 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2021-034
  • 353099 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2021-035
  • 353145 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-006
  • 353156 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-004
  • 390248 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0035)
  • 671134 EulerOS Security Update for kernel (EulerOS-SA-2021-2688)
  • 671135 EulerOS Security Update for kernel (EulerOS-SA-2021-2636)
  • 671137 EulerOS Security Update for kernel (EulerOS-SA-2021-2713)
  • 671181 EulerOS Security Update for kernel (EulerOS-SA-2021-2934)
  • 671703 EulerOS Security Update for kernel (EulerOS-SA-2022-1735)
  • 750949 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1142-1)
  • 751155 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3192-1)
  • 751160 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3179-1)
  • 751163 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3206-1)
  • 751170 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3205-1)
  • 751437 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3876-1)
  • 751441 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3876-1)
  • 751451 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3935-1)
  • 751473 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3969-1)
  • 751476 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3972-1)
  • 900294 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900304 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900319 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901142 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6577-1)
  • 903451 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5121)
  • 906190 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5121-1)
  • 940265 AlmaLinux Security Update for kernel (ALSA-2021:4356)
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