ice: fix PTP Call Trace during PTP release

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68133
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:19:58 UTC
Updated2026-08-17 05:18:13 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ice: fix PTP Call Trace during PTP release If a PF reset occurs when the PTP state is ICE_PTP_UNINIT, then ice_ptp_rebuild() will update the state to ICE_PTP_ERROR. This will result in the following PTP release call trace during driver unload: kernel BUG at lib/list_debug.c:52! ice_ptp_release+0x332/0x3c0 [ice] ice_deinit_features.part.0+0x10e/0x120 [ice] ice_remove+0x100/0x220 [ice] This was observed when passing PF1 through to a VM. ice_ptp_init() fails because ctrl_pf is NULL and sets the state to ICE_PTP_UNINIT. Fix by detecting the ICE_PTP_UNINIT state in ice_ptp_rebuild() and returning without error, preventing the invalid state transition to ICE_PTP_ERROR. The only valid path to ICE_PTP_ERROR is from ICE_PTP_RESETTING after a failed rebuild.

Risk And Classification

EPSS: 0.001750000 probability, percentile 0.073200000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 7d517b255f669cedd09830214d55f2f413b34481 git Not specified
CNA Linux Linux affected 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 e4406cbdd915f702d2ed9ee8b30683a16b06c6ac git Not specified
CNA Linux Linux affected 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 14fceda28069fdbe1bb49cdb6e1774892b583348 git Not specified
CNA Linux Linux affected 8293e4cb2ff54b1ec4f7206dcb74c908f62a3fb8 f6a7e00b81e35ef1325234925f2fe1e53b466f92 git Not specified
CNA Linux Linux affected 6.9 Not specified
CNA Linux Linux unaffected 6.9 semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.42 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e4406cbdd915f702d2ed9ee8b30683a16b06c6ac 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7d517b255f669cedd09830214d55f2f413b34481 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f6a7e00b81e35ef1325234925f2fe1e53b466f92 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/14fceda28069fdbe1bb49cdb6e1774892b583348 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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