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THREAT OPS › Threat News › [NVD] CVE-2025-21705 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: mptcp: handle fastopen disconnect correctly Syzbot was able to trigger a data stream corruption: WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1024

[NVD] CVE-2025-21705 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: mptcp: handle fastopen disconnect correctly Syzbot was able to trigger a data stream corruption: WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1024

lownvdPublished 2025-02-27

CVE-2025-21705 CVSS: 5.5 MEDIUM Published: 2025-02-27T02:15:14.137

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

mptcp: handle fastopen disconnect correctly

Syzbot was able to trigger a data stream corruption:

WARNING: CPU: 0 PID: 9846 at net/mptcp/protocol.c:1024 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1024 Modules linked in: CPU: 0 UID: 0 PID: 9846 Comm

Indicators of compromise

CVE-2025-21705cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-21705