CVE-2026-98846Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's Stream Control Transmission Protocol (SCTP) subsystem. A race condition can occur when an SCTP socket is shut down concurrently while waiting for a connection, causing an association structure to be f…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 5.5
none → medium
A flaw was found in the Linux kernel's Stream Control Transmission Protocol (SCTP) subsystem. A race condition can occur when an SCTP socket is shut down concurrently while waiting for a connection, causing an association structure to be freed while still in use. A local user could exploit this flaw to trigger a use-after-free condition, resulting in a Denial of Service (DoS) via a system crash or potential privilege escalation.
kernel: sctp: check RCV_SHUTDOWN after the sendmsg connect wait — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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