net: txgbe: fix FDIR filter leak on remove

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Summary

CVECVE-2026-68321
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:22 UTC
Updated2026-08-10 13:20:22 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregister_netdev() only calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in txgbe_close() is skipped in that case and the filters are leaked on driver remove. Free the filter list from txgbe_remove() as well.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4bdb441105dcea40ac6e01756314c0fdf5173ce1 5c2f04258be2645cdd8f87553990948e7054e7fb git Not specified
CNA Linux Linux affected 4bdb441105dcea40ac6e01756314c0fdf5173ce1 2d34421bfa261f7e83bea2f2f75fa75e0c3037d1 git Not specified
CNA Linux Linux affected 4bdb441105dcea40ac6e01756314c0fdf5173ce1 4946dea2386333e5d93bfb36df803fefb5a8c635 git Not specified
CNA Linux Linux affected 4bdb441105dcea40ac6e01756314c0fdf5173ce1 ecaa37826340520664a4e5522f803ff48fc3f564 git Not specified
CNA Linux Linux affected 6.11 Not specified
CNA Linux Linux unaffected 6.11 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-rc5 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/5c2f04258be2645cdd8f87553990948e7054e7fb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2d34421bfa261f7e83bea2f2f75fa75e0c3037d1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ecaa37826340520664a4e5522f803ff48fc3f564 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4946dea2386333e5d93bfb36df803fefb5a8c635 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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