CVE-2021-47074
Aliases:UBUNTU-CVE-2021-47074DEBIAN-CVE-2021-47074
Advisory lineage Upstream: 0 Downstream: 8
Analyzed
Published: 01 Mar 2024, 21:15
Last modified:11 May 2026, 13:47
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.24% LOW
0% probability +0.22%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
01 Mar 2024, 21:15
Published
Vulnerability first disclosed
11 May 2026, 13:47
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.24%• Percentile: 15%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- debian•linux
< 5.10.40-1 | < 5.10.40-1 | < 5.10.40-1 | < 5.10.40-1
- ubuntu•linux
all
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-fips
all
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all
- ubuntu•linux-bluefield
all | all
- ubuntu•linux-fips
all
- ubuntu•linux-gcp
all | all
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-fips
all
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
all
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
all | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.19
all
Showing first 50 affected entries in server-rendered view.
References (7)
- https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://ubuntu.com/security/CVE-2021-47074
- https://git.kernel.org/linus/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://www.cve.org/CVERecord?id=CVE-2021-47074
- https://security-tracker.debian.org/tracker/CVE-2021-47074