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CVE-2026-98618

Unknown

Last modified

CVE-2026-98618 is a vulnerability of currently unknown severity. 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..

Description

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 Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= bc6107771bb4be3009168cfda24d22131c026fe8, < 9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08; >= bc6107771bb4be3009168cfda24d22131c026fe8, < 6c903188b67617070017305a325fa326f270a43d; >= bc6107771bb4be3009168cfda24d22131c026fe8, < 16ff1023213cc39c1a7ce737205c2a1a53c3a716; >= bc6107771bb4be3009168cfda24d22131c026fe8, < 1f4c73064a50f53d596c6f1d06d2d700f43c4b32
LinuxLinux6.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98618?
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.
How severe is CVE-2026-98618?
Severity scoring for CVE-2026-98618 is pending analysis.
How do I fix CVE-2026-98618?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST