CVE-2024-35992 phy: marvell: a3700-comphy: Fix out of bounds read

Medium 5.5 Published Updated

An out-of-bounds read in the Marvell A3700 COMPHY driver can lead to information disclosure or system crashes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-35992?

CVE-2024-35992 is a medium-severity memory corruption vulnerability in Linux kernel, published on 20 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

phy: marvell: a3700-comphy: Fix out of bounds read

There is an out of bounds read access of 'gbe_phy_init_fix[fix_idx].addr' every iteration after 'fix_idx' reaches 'ARRAY_SIZE(gbe_phy_init_fix)'.

Make sure 'gbe_phy_init[addr]' is used when all elements of 'gbe_phy_init_fix' array are handled.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Weakness: CWE-125

Which versions are affected by CVE-2024-35992?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-35992?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-35992 being exploited?

There is no known exploitation of CVE-2024-35992 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-42187, BELL-CVE-2024-35992, DEBIAN-CVE-2024-35992, GHSA-w9vc-m3rh-pjp8, UBUNTU-CVE-2024-35992.

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