5.5
CVE-2021-3679
- EPSS 0.73%
- Veröffentlicht 05.08.2021 20:15:09
- Zuletzt bearbeitet 21.11.2024 06:22:08
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
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 Version5.14 Update-
Linux ≫ Linux Kernel Version5.14 Updaterc1
Linux ≫ Linux Kernel Version5.14 Updaterc2
Redhat ≫ Enterprise Linux Version8.0 SwEdition-
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.73% | 0.495 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 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
|
| nvd@nist.gov | 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
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://www.debian.org/security/2021/dsa-4978
https://bugzilla.redhat.com/show_bug.cgi?id=1989165
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f0d6d9883c13174669f88adac4f0ee656cc16a