CVE-2022-3435 Linux Kernel IPv4 fib_semantics.c fib_nh_match out-of-bounds

Medium 4.3 Published Updated

A remote attacker can trigger an out-of-bounds read in the Linux Kernel IPv4 handler, potentially disclosing sensitive memory contents.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-3435?

CVE-2022-3435 is a medium-severity vulnerability in Debian Debian Linux, published on 8 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as problematic has been found in Linux Kernel. This affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-210357 was assigned to this vulnerability.

Weakness: CWE-119

Which versions are affected by CVE-2022-3435?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2022-3435?

Apply the vendor's patch.

Is CVE-2022-3435 being exploited?

There is no known exploitation of CVE-2022-3435 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-3435, GHSA-hcgg-5q2q-c9qf, UBUNTU-CVE-2022-3435.

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