What’s Vulnerable › Vulnerabilities

CVE-2024-53103: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer

• Severity: high (CVSS 7.8 v3.1)
• 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: 2024-12-02 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer When hvs is released, there is a possibility that vsk->trans may not be initialized to NULL, which could lead to a dangling pointer. This issue is resolved by initializing vsk->trans to NULL.

Affected products

• Linux kernel: before 4.19.324; from 4.20 before 5.4.286; from 5.5 before 5.10.230; from 5.11 before 5.15.172; from 5.16 before 6.1.117; from 6.2 before 6.6.61 — fixed in 4.19.324, 5.10.230, 5.15.172, 5.4.286, 6.1.117, 6.11.8

How to fix

Upgrade to a fixed version: Linux kernel 4.19.324, 5.10.230, 5.15.172, 5.4.286. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/285266ef92f7b4bf7d26e1e95e215ce6a6badb4a
• https://git.kernel.org/stable/c/414476c4fb11be070c09ab8f3e75c9ee324a108a
• https://git.kernel.org/stable/c/4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497
• https://git.kernel.org/stable/c/4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d
• https://git.kernel.org/stable/c/7cf25987820350cb950856c71b409e5b6eed52bd
• https://git.kernel.org/stable/c/8621725afb38e111969c64280b71480afde2aace
• https://git.kernel.org/stable/c/98d8dde9232250a57ad5ef16479bf6a349e09b80
• https://git.kernel.org/stable/c/e0fe3392371293175f25028020ded5267f4cd8e3
• https://git.kernel.org/stable/c/e629295bd60abf4da1db85b82819ca6a4f6c1e79
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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