net: ethernet: cortina: Ack RX overrun interrupt correctly

Summary

CVECVE-2026-98275
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-06 09:18:17 UTC
Updated2026-10-19 10:18:28 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Ack RX overrun interrupt correctly The RX overrun interrupt is reported in interrupt status register 4, but gmac_irq() acknowledges it using the RX descriptor error bit from status register 0. For GMAC0 this writes the GMAC1 overrun bit, while for GMAC1 the shift leaves no bit in the 32-bit register. Acknowledge the same per-port RX overrun bit that was detected.

Risk And Classification

EPSS: 0.002200000 probability, percentile 0.113560000 (date 2026-10-06)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 1163cc82dcbc145f912bf2106ab668762f53e483 git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 12a0c7bb448c1899ea3d8f97fa47a8740044e16d git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 d72d87926ca33c6766dc73ace46859d7220a45bb git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 472493d1d3334d104b9873abc1c2d80ed3b144f3 git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 2f23fa11fef9b4a93335894379d82238f0a28228 git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 4f33e036e827f368cdb10bcb15ad098448aca0f5 git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 d4bd670454390aab72ab9fb7b73bce2966c33fe3 git Not specified
CNA Linux Linux affected 4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88 1dd85662fee6e2ac580b1c4f9a0c0a7ae6e31f0e git Not specified
CNA Linux Linux affected 4.16 Not specified
CNA Linux Linux unaffected 4.16 semver Not specified
CNA Linux Linux unaffected 5.10.271 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.222 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.189 6.1.* 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 6.18.54 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.8 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d4bd670454390aab72ab9fb7b73bce2966c33fe3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1163cc82dcbc145f912bf2106ab668762f53e483 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2f23fa11fef9b4a93335894379d82238f0a28228 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/472493d1d3334d104b9873abc1c2d80ed3b144f3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d72d87926ca33c6766dc73ace46859d7220a45bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/12a0c7bb448c1899ea3d8f97fa47a8740044e16d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4f33e036e827f368cdb10bcb15ad098448aca0f5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1dd85662fee6e2ac580b1c4f9a0c0a7ae6e31f0e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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