CVE-2021-3679

A 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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

27 Oct 2022, 12:29

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html - Third Party Advisory (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html - Mailing List, Third Party Advisory
CWE CWE-400 CWE-835

01 Jan 2022, 17:58

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

17 Dec 2021, 01:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html -

18 Oct 2021, 11:57

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html - Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - (DEBIAN) https://www.debian.org/security/2021/dsa-4978 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

16 Oct 2021, 01:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html -

25 Sep 2021, 15:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4978 -

13 Aug 2021, 12:51

Type Values Removed Values Added
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a - Mailing List, Patch, Vendor Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1989165 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1989165 - Issue Tracking, Patch, Third Party Advisory
CWE CWE-400
CVSS v2 : unknown
v3 : unknown
v2 : 2.1
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*

05 Aug 2021, 20:39

Type Values Removed Values Added
New CVE

Information

Published : 2021-08-05 20:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-3679

Mitre link : CVE-2021-3679

CVE.ORG link : CVE-2021-3679


JSON object : View

Products Affected

linux

  • linux_kernel

debian

  • debian_linux

redhat

  • enterprise_linux
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-400

Uncontrolled Resource Consumption