Linux kernel SCTP race allows local privilege escalation (CVE-2026-98130)
Original title: ZDI-26-1001: Linux Kernel SCTP Subsystem Race Condition Local Privilege Escalation Vulnerability
ZDI rates the SCTP race at CVSS 7.8 and says low-privileged local code is required.
ZDI published ZDI-26-1001, a race condition in the Linux kernel SCTP subsystem that can let a local attacker escalate privileges. The attacker must already be able to execute low-privileged code. ZDI assigned CVE-2026-98130 and a CVSS rating of 7.8. The advisory does not state a fix or known exploitation.
- The flaw is a race condition in the kernel SCTP subsystem.
- ZDI advisory identifier is ZDI-26-1001.
- No affected or fixed kernel versions are stated.
Impact: local privilege escalation from low-privileged code
| Product | Affected |
|---|---|
| Linux Kernel | — |
- CVEs
- CVE-2026-98130
- Vendors
- Linux
- Products
- Linux Kernel
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-98130 | Linux kernel: sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START | 8.1 | — |
From the original article
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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