CVE-2022-49269

can: isotp: sanitize CAN ID checks in isotp_bind()

Description

In the Linux kernel, the following vulnerability has been resolved: can: isotp: sanitize CAN ID checks in isotp_bind() Syzbot created an environment that lead to a state machine status that can not be reached with a compliant CAN ID address configuration. The provided address information consisted of CAN ID 0x6000001 and 0xC28001 which both boil down to 11 bit CAN IDs 0x001 in sending and receiving. Sanitize the SFF/EFF CAN ID values before performing the address checks.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/d72866a7f5326160d2a9d945a33eb6ef1883e25d
https://git.kernel.org/stable/c/f343dbe82314ab457153c9afd970be4e9e553020
https://git.kernel.org/stable/c/cf522d741f5301223cc94b978eb1603c7590d65e
https://git.kernel.org/stable/c/7b4652fc71dcec043977a6def80ef5034c913615
https://git.kernel.org/stable/c/3ea566422cbde9610c2734980d1286ab681bb40e

Frequently Asked Questions

What is the severity of CVE-2022-49269?: CVE-2022-49269 has not yet been assigned a CVSS score.
How to fix CVE-2022-49269?: To fix CVE-2022-49269, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-49269 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-49269 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-49269?: CVE-2022-49269 affects Linux Linux, Linux Linux.

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