Unrated severityNVD Advisory· Published Mar 23, 2022· Updated Aug 3, 2024

CVE-2021-4149

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

242

Linux/Kernelcpe-rescue
Ubuntu/Linux Kernelllm-fuzzy
osv-coords240 versions
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pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_42&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_42&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_42&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_42&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_42&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_24&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_28&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
< 5.3.18-150300.59.43.1+ 239 more
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1.150300.18.27.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-150300.59.43.1.150300.18.27.1
- (no CPE)range: < 5.3.18-150300.59.43.1.150300.18.27.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 5.3.18-24.99.1.9.46.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.4.121-92.164.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.110.2
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-5.3.1
- (no CPE)range: < 1-150300.7.3.1
- (no CPE)range: < 1-1.5.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-10.78.1
- (no CPE)range: < 5.3.18-68.1
- (no CPE)range: < 5.3.18-150300.71.1
- (no CPE)range: < 5.3.18-68.1
- (no CPE)range: < 5.3.18-150300.71.1
- (no CPE)range: < 4.12.14-10.78.1
- (no CPE)range: < 5.3.18-68.1
- (no CPE)range: < 5.3.18-150300.71.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.4.121-92.164.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-10.78.1
- (no CPE)range: < 5.3.18-68.1
- (no CPE)range: < 5.3.18-150300.71.1
- (no CPE)range: < 5.3.18-150300.38.37.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 4.12.14-16.85.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.4.121-92.164.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-122.110.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 5.3.18-24.99.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.4.180-94.153.1
- (no CPE)range: < 4.12.14-95.88.1
- (no CPE)range: < 4.12.14-10.78.1
- (no CPE)range: < 5.3.18-68.1
- (no CPE)range: < 5.3.18-150300.71.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 5.3.18-150300.59.43.1
- (no CPE)range: < 4.12.14-197.105.1
- (no CPE)range: < 4.12.14-150.83.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-6.5.1
- (no CPE)range: < 1-8.3.2

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlmitremailing-listx_refsource_MLIST
lkml.org/lkml/2021/10/18/885mitrex_refsource_MISC
lkml.org/lkml/2021/9/13/2565mitrex_refsource_MISC

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000