What’s Vulnerable › Vulnerabilities

CVE-2024-35891: net: phy: micrel: Fix potential null pointer dereference

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-19 · updated 2026-08-04
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fix potential null pointer dereference In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() may return NULL as ptp_header due to abnormal packet type or corrupted packet. Fix this bug by adding ptp_header check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected products

• Linux kernel: from 5.18 before 6.1.85; from 6.2 before 6.6.26; from 6.7 before 6.8.5; 6.9-rc1, 6.9-rc2 — fixed in 6.1.85, 6.6.26, 6.8.5

How to fix

Upgrade to a fixed version: Linux kernel 6.1.85, 6.6.26, 6.8.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10608161696c2768f53426642f78a42bcaaa53e8
• https://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc
• https://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4
• https://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91
• https://git.kernel.org/stable/c/10608161696c2768f53426642f78a42bcaaa53e8
• https://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc
• https://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4
• https://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91

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