eth: ice: don't dereference pointers from TP_printk()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-97978
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:25 UTC
Updated2026-09-25 11:17:25 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: eth: ice: don't dereference pointers from TP_printk() After forwarding net-next during the v7.3 merge window we started seeing: TRACE EVENT ERROR: Event ice_tx_dim_work has double dereference in TP_printk: REC->q_vector->tx.tx_ring->q_index WARNING: kernel/trace/trace_events.c:420 at test_double_dereference.cold+0x39/0x4b this is due to extra checks added in tracing subsystem in commit b5cc230af5e5 ("tracing: Warn when an event dereferences a pointer in TP_printk()"). Printing happens long after the event was recorded, by which point the pointers may be invalid (the ring or the dim instance). Copy the eight scalars into the event instead.

Risk And Classification

EPSS: 0.001680000 probability, percentile 0.054030000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 3089cf6d3caa1eb344aac05c875f4aeaf891552d ae230874e3ba27e975a9bb21a6ffd05d6a2ea318 git Not specified
CNA Linux Linux affected 3089cf6d3caa1eb344aac05c875f4aeaf891552d 0b0d2f9db2406aa541a8bc3737f4f4aae1cafde9 git Not specified
CNA Linux Linux affected 3089cf6d3caa1eb344aac05c875f4aeaf891552d c42db35518bb0eae42ec955520eee0aa94a4a6fe git Not specified
CNA Linux Linux affected 3089cf6d3caa1eb344aac05c875f4aeaf891552d b8bf9bfda5f62e11444e483c2b4aaff90c5cfc6b git Not specified
CNA Linux Linux affected 5.14 Not specified
CNA Linux Linux unaffected 5.14 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/c42db35518bb0eae42ec955520eee0aa94a4a6fe 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0b0d2f9db2406aa541a8bc3737f4f4aae1cafde9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b8bf9bfda5f62e11444e483c2b4aaff90c5cfc6b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ae230874e3ba27e975a9bb21a6ffd05d6a2ea318 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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