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CVE-2026-98618

eth: fbnic: Handle maximum standalone channels PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Handle maximum standalone channels Standalone channels use one NAPI vector for each Tx and Rx queue. fbnic's allocation path excludes FBNIC_MAX_TXQS from that layout. A 64-Tx/64-Rx configuration therefore records 128 vectors but allocates only 64, leaving NULL entries that resource setup dereferences. Include the maximum vector count in standalone allocation.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected bc6107771bb4be3009168cfda24d22131c026fe8 before 9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08; affected bc6107771bb4be3009168cfda24d22131c026fe8 before 6c903188b67617070017305a325fa326f270a43d; affected bc6107771bb4be3009168cfda24d22131c026fe8 before 16ff1023213cc39c1a7ce737205c2a1a53c3a716; affected bc6107771bb4be3009168cfda24d22131c026fe8 before 1f4c73064a50f53d596c6f1d06d2d700f43c4b32
Linux / Linuxaffected 6.11; unaffected 0 before 6.11; unaffected 6.12.112 through 6.12.*; unaffected 6.18.55 through 6.18.*; unaffected 7.2.9 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References