CVE-2022-49269

low-risk
Published 2025-02-26

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.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (5)

Patch https://git.kernel.org/stable/c/3ea566422cbde9610c2734980d1286ab681bb40e
Patch https://git.kernel.org/stable/c/7b4652fc71dcec043977a6def80ef5034c913615
Patch https://git.kernel.org/stable/c/cf522d741f5301223cc94b978eb1603c7590d65e
Patch https://git.kernel.org/stable/c/d72866a7f5326160d2a9d945a33eb6ef1883e25d
Patch https://git.kernel.org/stable/c/f343dbe82314ab457153c9afd970be4e9e553020
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal