net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98620
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:14 UTC
Updated2026-10-19 10:19:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure If register_netdev() fails for one of the MTK_MAX_DEVS devices in mtk_probe(), the error path jumps to err_deinit_ppe, skipping mtk_unreg_dev(). The previously registered net_devices are then freed by mtk_free_dev() while still in NETREG_REGISTERED state, hitting the BUG_ON(dev->reg_state != NETREG_UNREGISTERED). Route the register_netdev() failure to err_unreg_netdev so the net_devices registered so far are properly unregistered before being freed.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 245bea0c7ab278150c70366bdeb69b901327133c git Not specified
CNA Linux Linux affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0 git Not specified
CNA Linux Linux affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 7254b702e556158e34b4d7c168b5d8e7da5978af git Not specified
CNA Linux Linux affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 0fdb944d4df02223c67d5e65c4c134ecb57a5668 git Not specified
CNA Linux Linux affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 310d1ac61a4d5a2ca8356a3a48d263acf54503ce git Not specified
CNA Linux Linux affected 4.9 Not specified
CNA Linux Linux unaffected 4.9 semver Not specified
CNA Linux Linux unaffected 6.6.158 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.112 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.55 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.9 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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