CVE-2026-100075 Linux Kernel - Denial of Service

Linux kernel contains a logic error in RDMA srpt_alloc_rw_ctxs() causing stale counters and dangling pointers, letting attackers cause incorrect send queue credit accounting, exploit requires triggering multi-buffer indirect descriptor failure.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
NVD-CWE-noinfo

Vendor fix

Update to the latest Linux kernel version containing the fix for srpt_alloc_rw_ctxs() unwind counters.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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