CVE-2022-49269: can: isotp: sanitize CAN ID checks in isotp_bind()
Vulnerability summary
CVE-2022-49269 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu89 products
- linux< 5.15.0-37.39
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1011.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e057dd3fc20ffb3d7f150af46542a51b59b90127, < d72866a7f5326160d2a9d945a33eb6ef1883e25d | ≥ e057dd3fc20ffb3d7f150af46542a51b59b90127, < f343dbe82314ab457153c9afd970be4e9e553020 | ≥ e057dd3fc20ffb3d7f150af46542a51b59b90127, < cf522d741f5301223cc94b978eb1603c7590d65e | ≥ e057dd3fc20ffb3d7f150af46542a51b59b90127, < 7b4652fc71dcec043977a6def80ef5034c913615 | ≥ e057dd3fc20ffb3d7f150af46542a51b59b90127, < 3ea566422cbde9610c2734980d1286ab681bb40e | 5.10
- linux_kernel≥ 5.10, < 5.10.110 | ≥ 5.11, < 5.15.33 | ≥ 5.16, < 5.16.19 | ≥ 5.17, < 5.17.2
Debian1 product
- linux< 5.17.3-1
3 vendors · 92 products
