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

um: vector: Fix memory leak in vector_config

If the return value of the uml_parse_vector_ifspec function is NULL,
we should call kfree(params) to prevent memory leak.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < 5c49fb5ad01104acc584405572abf6616d45148e
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < 6480c3a12755bf85d6738ab60967e89b809c701a
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < f2b9c4544e3bd60f353732291300097b0e8d8454
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < 276a7298af6a801e9a865282605a79303365ec66
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < c8583b4655aab44a9796b5c4a681ddcc6fe2f0d0
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < 634a9c139cc1362f6a9cc6cbfe442dbb60ff9f3f
49da7e64f33e80edffb1a9eeb230fa4c3f42dffb affected < 8f88c73afe481f93d40801596927e8c0047b6d96
Linux Linux affected
Version Status Constraints
4.17 affected —
0 unaffected < 4.17
4.19.276 unaffected ≤ 4.19.*
5.4.235 unaffected ≤ 5.4.*
5.10.173 unaffected ≤ 5.10.*
5.15.100 unaffected ≤ 5.15.*
6.1.18 unaffected ≤ 6.1.*
6.2.5 unaffected ≤ 6.2.*
6.3 unaffected ≤ *

No data.

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/276a7298af6a801e9a865282605a79303365ec66 cve-icon cve-icon
https://git.kernel.org/stable/c/5c49fb5ad01104acc584405572abf6616d45148e cve-icon cve-icon
https://git.kernel.org/stable/c/634a9c139cc1362f6a9cc6cbfe442dbb60ff9f3f cve-icon cve-icon
https://git.kernel.org/stable/c/6480c3a12755bf85d6738ab60967e89b809c701a cve-icon cve-icon
https://git.kernel.org/stable/c/8f88c73afe481f93d40801596927e8c0047b6d96 cve-icon cve-icon
https://git.kernel.org/stable/c/c8583b4655aab44a9796b5c4a681ddcc6fe2f0d0 cve-icon cve-icon
https://git.kernel.org/stable/c/f2b9c4544e3bd60f353732291300097b0e8d8454 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120841-CVE-2023-53745-2ae7@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53745 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53745 cve-icon
History

Tue, 09 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Mon, 08 Dec 2025 02:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: um: vector: Fix memory leak in vector_config If the return value of the uml_parse_vector_ifspec function is NULL, we should call kfree(params) to prevent memory leak.
Title um: vector: Fix memory leak in vector_config
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-08T01:19:04.133Z

Reserved: 2025-12-08T01:18:04.279Z

Link: CVE-2023-53745

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-08T02:15:49.787

Modified: 2025-12-08T18:26:19.900

Link: CVE-2023-53745

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-12-08T00:00:00Z

Links: CVE-2023-53745 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.