can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet

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Summary

CVECVE-2026-17523
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-27 10:16:36 UTC
Updated2026-09-09 08:17:20 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet This patch switches the timer to HRTIMER_MODE_SOFT, which executed the timer callback in softirq context and removes the hrtimer_tasklet.

Risk And Classification

EPSS: 0.001520000 probability, percentile 0.046850000 (date 2026-09-02)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 79305a826f872fe446c6fbf8450f515053ef6951 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68 git Not specified
CNA Linux Linux affected 4.19.226 semver Not specified
CNA Linux Linux unaffected 4.19.226 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/79305a826f872fe446c6fbf8450f515053ef6951 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
access.redhat.com/errata/RHSA-2026:55764 MITRE access.redhat.com
access.redhat.com/errata/RHSA-2026:55765 MITRE access.redhat.com
access.redhat.com/errata/RHSA-2026:61932 MITRE access.redhat.com
access.redhat.com/security/cve/CVE-2026-17523 MITRE access.redhat.com
bugzilla.redhat.com/show_bug.cgi MITRE bugzilla.redhat.com
github.com/torvalds/linux/commit/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68 MITRE github.com
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