5.5

CVE-2021-4149

Exploit
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.15
Linux ≫ Linux Kernel Version 5.15 Update -
Linux ≫ Linux Kernel Version 5.15 Update rc1
Linux ≫ Linux Kernel Version 5.15 Update rc2
Linux ≫ Linux Kernel Version 5.15 Update rc3
Linux ≫ Linux Kernel Version 5.15 Update rc4
Linux ≫ Linux Kernel Version 5.15 Update rc5
Debian ≫ Debian Linux Version 9.0
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.316
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-667 Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=2026485
Third Party Advisory
Issue Tracking
https://lkml.org/lkml/2021/10/18/885
Patch
Third Party Advisory
Exploit
Mailing List
https://lkml.org/lkml/2021/9/13/2565
Third Party Advisory
Exploit
Mailing List