CVE-2022-49269

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

MEDIUM

5.5

CVSS Score

Published: February 26, 2025 at 01:56 AM UTC

Updated: June 17, 2026 at 05:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.10 ≤ v < 5.10.1105.10 ≤ v < 5.15.335.10 ≤ v < 5.16.195.10 ≤ v < 5.17.25.10 ≤ v < 5.185.11 ≤ v < 5.15.335.16 ≤ v < 5.16.195.17 ≤ v < 5.17.25.10e057dd3fc20ffb3d7f150af46542a51b59b90127

Vendor states this is fixed in 3ea566422cbde9610c2734980d1286ab681bb40e (fixed)

Vendor states this is fixed in 7b4652fc71dcec043977a6def80ef5034c913615 (fixed)

Vendor states this is fixed in cf522d741f5301223cc94b978eb1603c7590d65e (fixed)

Vendor states this is fixed in d72866a7f5326160d2a9d945a33eb6ef1883e25d (fixed)

Vendor states this is fixed in f343dbe82314ab457153c9afd970be4e9e553020 (fixed)

Vendor states this is fixed in 5.10 (unaffected)

Vendor states this is fixed in 5.10.110 (unaffected)

Vendor states this is fixed in 5.15.33 (unaffected)

Vendor states this is fixed in 5.16.19 (unaffected)

Vendor states this is fixed in 5.17.2 (unaffected)

Vendor states this is fixed in 5.18 (unaffected)