net: bcmgenet: fix off-by-one in bcmgenet_put_txcb

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53088
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:22 UTC
Updated2026-07-14 15:26:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the pointer first then return the tx_cb that it points to. That way the txcb can be correctly cleaned up.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.004040000 probability, percentile 0.325690000 (date 2026-07-14)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 14e9f86564fff7bcf7f45c1b69080e837b31d185 git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 85f34ec320d3881badfd4edc5fee5cd5012bb54d git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 2a74590170427a3ca7cc4bb8690cdd559129c29c git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 29394f722f620281f2ee9a47f947734e53d72c90 git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 4cab761fc51c65aef741fcece4a18f3554edbc09 git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 72df896e31ddd06fcc5a789f025ad7a62a18bc9b git Not specified
CNA Linux Linux affected 876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38 git Not specified
CNA Linux Linux affected 3bdf77194ea822390b405639b77659071fd2c2e9 git Not specified
CNA Linux Linux affected 3.16.50 3.17 semver Not specified
CNA Linux Linux affected 4.13 Not specified
CNA Linux Linux unaffected 4.13 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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