What’s Vulnerable › Vulnerabilities

CVE-2023-53745: um: vector: Fix memory leak in vector_config

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-08 · updated 2026-06-17

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.

Affected products

• Linux kernel: 4.17 — fixed in 6.3

How to fix

Upgrade to a fixed version: Linux kernel 6.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/276a7298af6a801e9a865282605a79303365ec66
• https://git.kernel.org/stable/c/5c49fb5ad01104acc584405572abf6616d45148e
• https://git.kernel.org/stable/c/634a9c139cc1362f6a9cc6cbfe442dbb60ff9f3f
• https://git.kernel.org/stable/c/6480c3a12755bf85d6738ab60967e89b809c701a
• https://git.kernel.org/stable/c/8f88c73afe481f93d40801596927e8c0047b6d96
• https://git.kernel.org/stable/c/c8583b4655aab44a9796b5c4a681ddcc6fe2f0d0
• https://git.kernel.org/stable/c/f2b9c4544e3bd60f353732291300097b0e8d8454

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