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CVE-2023-53697

10
FAUCET Score

CVE-2023-53697 describes a memory leak in the Linux kernel's NVDIMM subsystem, specifically within the unregister_nvdimm_pmu() function, where memory allocated for PMU attribute groups is not properly freed. This vulnerability has no assigned CVSS score, indicating a low severity, and there is no information regarding specific affected products. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this issue.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.18CNA affecteddefault affected
LinuxLinux
>= 0fab1ba6ad6ba1f76380f92ead95c6e861ef8116, < 16259c80542ee8945aaa39cfc6a1809bcdc08ffe, >= 0fab1ba6ad6ba1f76380f92ead95c6e861ef8116, < 4999f2ec5fde7c45e3ecafda5b78560cc1c7bdb5, >= 0fab1ba6ad6ba1f76380f92ead95c6e861ef8116, < 500a6ff9c2a81348fe0f04e2deb758145e8ab94e, >= 0fab1ba6ad6ba1f76380f92ead95c6e861ef8116, < 85ae42c72142346645e63c33835da947dfa008b3CNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

No social media mentions found for this CVE.

Media Mentions

No media coverage found for this CVE.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-503.11.1.el9_5
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-53697Moderate

kernel: nvdimm: Fix memleak of pmu attr_groups in unregister_nvdimm_pmu()

Oct 22, 2025

References

git.kernel.org / stable/c/16259c80542ee8945aaa39cfc6a1809bcdc08ffe
git.kernel.org / stable/c/4999f2ec5fde7c45e3ecafda5b78560cc1c7bdb5
git.kernel.org / stable/c/500a6ff9c2a81348fe0f04e2deb758145e8ab94e
git.kernel.org / stable/c/85ae42c72142346645e63c33835da947dfa008b3