7.1

CVE-2021-3739

Exploit

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

Data is provided by the National Vulnerability Database (NVD)
LinuxLinux Kernel Version <= 5.14.20
FedoraprojectFedora Version34
NetappH300s Firmware Version-
   NetappH300s Version-
NetappH500s Firmware Version-
   NetappH500s Version-
NetappH700s Firmware Version-
   NetappH700s Version-
NetappH300e Firmware Version-
   NetappH300e Version-
NetappH500e Firmware Version-
   NetappH500e Version-
NetappH700e Firmware Version-
   NetappH700e Version-
NetappH410s Firmware Version-
   NetappH410s Version-
NetappH410c Firmware Version-
   NetappH410c Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.03% 0.056
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 3.6 3.9 4.9
AV:L/AC:L/Au:N/C:P/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.