CVE-2023-53432

firewire: net: fix use after free in fwnet_finish_incoming_packet()

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

This update provides the initial livepatch for this kernel update. This update does not contain any fixes and will be updated with livepatches later.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-09-17 CVE Reserved
2025-09-18 CVE Published
2025-09-19 CVE Updated
2025-10-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/2ea70379e4f4efa95c9daa7f3f9bdd4d40aec927	2023-08-26
https://git.kernel.org/stable/c/9040adc38cf6bfbb77034d558ac2c52f70d840ac	2023-08-23
https://git.kernel.org/stable/c/9860921ab4521252dc39bb21b9c936bd09a00982	2023-08-23
https://git.kernel.org/stable/c/3ff256751a2853e1ffaa36958ff933ccc98c6cb5	2023-06-24

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.128 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.128"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.1.47 Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.47"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.4.12 Search vendor "Linux" for product "Linux Kernel" and version " < 6.4.12"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.5 Search vendor "Linux" for product "Linux Kernel" and version " < 6.5"		en		Affected