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CVE Vulnerability Details :
CVE-2021-3739
PUBLISHED
More InfoOfficial Page
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
View Known Exploited Vulnerability (KEV) details
Published At-07 Mar, 2022 | 15:19
Updated At-03 Aug, 2024 | 17:01
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
kernel
Versions
Affected
  • Fixed in v5.15-rc1 and above.
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476 - NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=1997958
x_refsource_MISC
https://ubuntu.com/security/CVE-2021-3739
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/08/25/3
x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
x_refsource_MISC
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220407-0006/
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=1997958
x_refsource_MISC
x_transferred
https://ubuntu.com/security/CVE-2021-3739
x_refsource_MISC
x_transferred
https://www.openwall.com/lists/oss-security/2021/08/25/3
x_refsource_MISC
x_transferred
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
x_refsource_MISC
x_transferred
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091
x_refsource_MISC
x_transferred
https://security.netapp.com/advisory/ntap-20220407-0006/
x_refsource_CONFIRM
x_transferred
Details not found