net: ethernet: ti: icssg: guard PA stat lookups

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Summary

CVECVE-2026-72060
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:15 UTC
Updated2026-08-17 06:18:04 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: icssg: guard PA stat lookups icssg_ndo_get_stats64() unconditionally calls emac_get_stat_by_name() with FW PA stat names regardless of whether the PA stats block is present on the hardware. emac_get_stat_by_name() already guards the PA stats lookup with `if (emac->prueth->pa_stats)`; when that pointer is NULL the lookup falls through to netdev_err() and returns -EINVAL. Because ndo_get_stats64 is polled regularly by the networking stack this produces thousands of log entries of the form: icssg-prueth icssg1-eth end0: Invalid stats FW_RX_ERROR A secondary consequence is that the int(-EINVAL) return value is implicitly widened to a near-ULLONG_MAX unsigned value when accumulated into the __u64 fields of rtnl_link_stats64, silently corrupting the rx_errors, rx_dropped and tx_dropped counters reported by `ip -s link`. Every other PA-aware code path in the driver is already guarded with the same `if (emac->prueth->pa_stats)` check. Apply the same guard here.

Risk And Classification

EPSS: 0.002060000 probability, percentile 0.110560000 (date 2026-08-16)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0d15a26b247d25cd012134bf8825128fedb15cc9 121c5f31c3fb70d4a23e8a084f5cb8b3ec63be8d git Not specified
CNA Linux Linux affected 0d15a26b247d25cd012134bf8825128fedb15cc9 b3763f7e22ecaa7ad79bf44bf41816d488edbcf8 git Not specified
CNA Linux Linux affected 0d15a26b247d25cd012134bf8825128fedb15cc9 27b9daba50609335db6ca81e4cccf50ded21ec76 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/121c5f31c3fb70d4a23e8a084f5cb8b3ec63be8d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/27b9daba50609335db6ca81e4cccf50ded21ec76 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b3763f7e22ecaa7ad79bf44bf41816d488edbcf8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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