can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80707
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:56 UTC
Updated2026-08-29 07:16:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer Zero the allocated buffer in j1939_session_fresh_new() to ensure it contains no residual data. While there is a potential performance impact if users allocate maximum sized ETP buffers, most real-world use cases are not noticeably affected since the maximum known buffer size is typically around 65K. [mkl: add Message-ID]

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.001640000 probability, percentile 0.058900000 (date 2026-08-28)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c 348818277a3646d5b9fa60c9d20c00dc4bc86832 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c f3e120a34b336079479fa10f706f0636eaa6e751 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c bbfa49d1e287de44994955b44d19281be3195b44 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c 194d67e92197eb820f4c2c6605d9721333b3eba0 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c 038bad8e16c2e28acf31f0b527a816fb23a57269 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c 8604a3b81b9d0ceaf04fee5f52e701f623a179f9 git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf git Not specified
CNA Linux Linux affected 9d71dd0c70099914fcd063135da3c580865e924c eb96c58907922546e415e545fe9a14ea63b02719 git Not specified
CNA Linux Linux affected 5.4 Not specified
CNA Linux Linux unaffected 5.4 semver Not specified
CNA Linux Linux unaffected 5.10.265 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.216 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.183 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.151 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.103 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.44 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.8 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f3e120a34b336079479fa10f706f0636eaa6e751 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/194d67e92197eb820f4c2c6605d9721333b3eba0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/038bad8e16c2e28acf31f0b527a816fb23a57269 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8604a3b81b9d0ceaf04fee5f52e701f623a179f9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/348818277a3646d5b9fa60c9d20c00dc4bc86832 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/eb96c58907922546e415e545fe9a14ea63b02719 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bbfa49d1e287de44994955b44d19281be3195b44 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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