5.5

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.14
Linux ≫ Linux Kernel Version 5.14 Update -
Linux ≫ Linux Kernel Version 5.14 Update rc1
Linux ≫ Linux Kernel Version 5.14 Update rc2
Redhat ≫ Enterprise Linux Version 8.0 SwEdition -
Debian ≫ Debian Linux Version 9.0
Debian ≫ Debian Linux Version 10.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.73% 0.495
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NIST 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2021/dsa-4978
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1989165
Patch
Third Party Advisory
Issue Tracking
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a
Patch
Vendor Advisory
Mailing List