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THREAT OPS › Threat News › [NVD] CVE-2026-80986 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages On a link whose device has max_recv_sge == 1 there is no shared v2 receive buffer, and smc_llc_save_add_link_rkeys() takes the v2 extension from 44 by

[NVD] CVE-2026-80986 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages On a link whose device has max_recv_sge == 1 there is no shared v2 receive buffer, and smc_llc_save_add_link_rkeys() takes the v2 extension from 44 by

mednvdPublished 2026-09-11

CVE-2026-80986 CVSS: 9.8 CRITICAL Published: 2026-09-11T20:19:05.180

In the Linux kernel, the following vulnerability has been resolved:

net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages

On a link whose device has max_recv_sge == 1 there is no shared v2 receive buffer, and smc_llc_save_add_link_rkeys() takes the v2 extension from 44 bytes past the start of the queue entry's inline mes

Indicators of compromise

CVE-2026-80986cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-80986