CVE-2023-53432: linux kernel Use-After-Free — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: firewire: net: fix use after free in fwnet_finish_incoming_packet() The netif_rx() function frees the skb so we can't dereference it to save the skb->len.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.15.128
linux	linux_kernel	5.16 — 6.1.47
linux	linux_kernel	6.2 — 6.4.12

References

Advisories & Patches

https://git.kernel.org/stable/c/2ea70379e4f4efa95c9daa7f3f9bdd4d40aec927 https://git.kernel.org/stable/c/3ff256751a2853e1ffaa36958ff933ccc98c6cb5 https://git.kernel.org/stable/c/9040adc38cf6bfbb77034d558ac2c52f70d840ac https://git.kernel.org/stable/c/9860921ab4521252dc39bb21b9c936bd09a00982

Frequently Asked Questions

What is CVE-2023-53432? +

In the Linux kernel, the following vulnerability has been resolved: firewire: net: fix use after free in fwnet_finish_incoming_packet() The netif_rx() function frees the skb so we can't dereference it to save the skb->len. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53432? +

CVE-2023-53432 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-53432? +

CVE-2023-53432 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-53432? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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