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

What is CVE-2024-35891?

CVE-2024-35891 is a high-severity vulnerability in Linux kernel, published on 19 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2024-35891?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-35891?

Apply the vendor's patch.

Is CVE-2024-35891 being exploited?

There is no known exploitation of CVE-2024-35891 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-35891, DEBIAN-CVE-2024-35891, GHSA-fgcp-9269-xjj7, UBUNTU-CVE-2024-35891.