CVE-2026-74460

In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5
https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5
https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d
https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6
https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea
https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d
https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-15 13:17

Updated : 2026-08-19 17:21

NVD link : CVE-2026-74460

Mitre link : CVE-2026-74460

CVE.ORG link : CVE-2026-74460

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-74460", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "db5655287d78f00daf98888a520bb8da4d30126d", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "ce8125566b1d0b0f16449407e014addf451804ea", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "0b9090717c7e2184e2c427bbcc752f295116ac1d", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "0b23144c59c126beb4a7761a85a194ae0fe668a5", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "df3ac2a672a5284441f120d486acabdd6740fc2a", "versionType": "git"}, {"status": "affected", "version": "702171adeed3607ee9603ec30ce081411e36ae42", "lessThan": "02925f51377f2a42a6724f00549167499c9302e5", "versionType": "git"}], "programFiles": ["drivers/net/can/usb/ems_usb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.32"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.32", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.216", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.151", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.103", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.44", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.8", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/can/usb/ems_usb.c"], "defaultStatus": "affected"}]}], "published": "2026-08-15T13:17:50.663", "references": [{"url": "https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ems_usb: validate CPC message lengths\n\nems_usb_read_bulk_callback() walks CPC messages packed in one USB\nreceive buffer.\n\nCheck that each declared message fits in the URB payload. Also require the\ntype-specific payload to cover the fields used by the CAN, state, error and\noverrun handlers."}], "lastModified": "2026-08-19T17:21:02.950", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}