CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS
Percentile
5.1%
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.
Vendor | Product | Version | CPE |
---|---|---|---|
linux | linux_kernel | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
netapp | h300s | - | cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* |
netapp | h300s_firmware | - | cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
netapp | h500s | - | cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* |
netapp | h500s_firmware | - | cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
netapp | h700s | - | cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* |
netapp | h700s_firmware | - | cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
netapp | h300e | - | cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* |
netapp | h300e_firmware | - | cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* |
bugzilla.redhat.com/show_bug.cgi?id=1997958
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
security.netapp.com/advisory/ntap-20220407-0006/
ubuntu.com/security/CVE-2021-3739
www.openwall.com/lists/oss-security/2021/08/25/3
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS
Percentile
5.1%