Medium severity5.5NVD Advisory· Published Mar 1, 2024· Updated Jun 17, 2026

CVE-2021-47074

Description

In the Linux kernel, the following vulnerability has been resolved:

nvme-loop: fix memory leak in nvme_loop_create_ctrl()

When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl() fails, the loop ctrl should be freed before jumping to the "out" label.

AI Insight

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

Affected products

Linux/Kernelllm-fuzzy5 versions
(expand)+ 4 more
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.8,<5.10.40
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
- (no CPE)range: 4.8
osv-coords89 versions
pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_57&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP5 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/kernel-docs&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_44&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_48&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5
< 4.12.14-122.219.1+ 88 more
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150300.59.161.2
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.2
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150200.24.191.1.150200.9.97.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 1-8.3.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.169.1
- (no CPE)range: < 5.3.18-150300.169.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1.150200.9.97.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 4.12.14-16.188.1
- (no CPE)range: < 4.12.14-10.188.1
- (no CPE)range: < 4.12.14-10.188.1
- (no CPE)range: < 4.12.14-10.188.1
- (no CPE)range: < 4.12.14-10.188.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 4.12.14-122.219.1
- (no CPE)range: < 5.3.18-150300.59.161.2
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 1-150300.7.3.1
- (no CPE)range: < 5.3.18-150300.59.161.1.150300.18.94.1
- (no CPE)range: < 5.3.18-150300.59.161.2
- (no CPE)range: < 5.3.18-150300.169.1
- (no CPE)range: < 5.3.18-150300.169.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 1-150200.5.3.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150200.24.191.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150300.59.161.1
- (no CPE)range: < 5.3.18-150200.24.191.1.150200.9.97.1
- (no CPE)range: < 4.12.14-122.219.1

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

CVE-2021-47074

Description

AI Insight

Affected products

Patches

Vulnerability mechanics

References

News mentions