can: bcm: add missing rcu list annotations and operations

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72120
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:26 UTC
Updated2026-08-17 06:18:11 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu list annotations and operations sashiko-bot remarked the missing use of list_add_rcu() in bcm_[rx|tx]_setup() to have a proper initialized bcm_op structure when bcm_proc_show() traverses the bcm_op's under rcu_read_lock(). To cover all initial settings of the bcm_op's the list_add_rcu() calls are moved to the end of the setup code. While at it, also fix the mirroring removal side: bcm_release() called bcm_remove_op() - which frees the op via call_rcu() - on ops that were still linked in bo->tx_ops/bo->rx_ops, without list_del_rcu() first. Unlink each op with list_del_rcu() before handing it to bcm_remove_op(), matching the existing pattern in bcm_delete_tx_op()/bcm_delete_rx_op().

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.001640000 probability, percentile 0.060800000 (date 2026-08-17)

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

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 659701c0b954ccdb4a916a4ad59bbc16e726d42c 8357255e56dc1aaa437e3c53ee9385de984e0d57 git Not specified
CNA Linux Linux affected 0622846db728a5332b917c797c733e202c4620ae 8e1c7257c81577130f5ce90f69b2a2c3ce63f957 git Not specified
CNA Linux Linux affected 6d7d458c41b98a5c1670cbd36f2923c37de51cf5 eb1c26eab4d1f0b4450439b4b88c3e73faf1da98 git Not specified
CNA Linux Linux affected 1f912f8484e9c4396378c39460bbea0af681f319 f53bdab85e64eb57d6899a30d1307fd5a3639cc7 git Not specified
CNA Linux Linux affected 63567ecd99a24495208dc860d50fb17440043006 4e22e8b505f877573bbdfdbcb680babad9b2f7a1 git Not specified
CNA Linux Linux affected dac5e6249159ac255dad9781793dbe5908ac9ddb b06a4a397ac826603f39875cb7c7819a41365196 git Not specified
CNA Linux Linux affected dac5e6249159ac255dad9781793dbe5908ac9ddb 30f7bb922cb7e7f072a56c7cb7a5efccd2ceca1d git Not specified
CNA Linux Linux affected dac5e6249159ac255dad9781793dbe5908ac9ddb 7b2c3eabc4dafc062a25e10711154f2107526a78 git Not specified
CNA Linux Linux affected 19f553a1ddf260da6570ed8f8d91a8c87f49b63a git Not specified
CNA Linux Linux affected 7c9db92d5f0eadca30884af75c53d601edc512ee git Not specified
CNA Linux Linux affected 5.10.238 5.10.261 semver Not specified
CNA Linux Linux affected 5.15.185 5.15.212 semver Not specified
CNA Linux Linux affected 6.1.141 6.1.178 semver Not specified
CNA Linux Linux affected 6.6.93 6.6.145 semver Not specified
CNA Linux Linux affected 6.12.31 6.12.97 semver Not specified
CNA Linux Linux affected 5.4.294 5.5 semver Not specified
CNA Linux Linux affected 6.14.9 6.15 semver Not specified
CNA Linux Linux affected 6.15 Not specified
CNA Linux Linux unaffected 6.15 semver Not specified
CNA Linux Linux unaffected 5.10.261 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.212 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.178 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.145 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.97 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b06a4a397ac826603f39875cb7c7819a41365196 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8357255e56dc1aaa437e3c53ee9385de984e0d57 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8e1c7257c81577130f5ce90f69b2a2c3ce63f957 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4e22e8b505f877573bbdfdbcb680babad9b2f7a1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/eb1c26eab4d1f0b4450439b4b88c3e73faf1da98 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7b2c3eabc4dafc062a25e10711154f2107526a78 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f53bdab85e64eb57d6899a30d1307fd5a3639cc7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/30f7bb922cb7e7f072a56c7cb7a5efccd2ceca1d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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