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OESA-2026-1946 kernel security update

🗓️ 17 Apr 2026 13:01:29Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

Kernel security fix: initialise rcv_mss before tcp_send_active_reset in mptcp_do_fastclose to prevent divide-by-zero in MPTCP.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23269
18 Mar 202617:54
–attackerkb
ATTACKERKB		CVE-2026-23444
3 Apr 202615:15
–attackerkb
ATTACKERKB		CVE-2026-23389
25 Mar 202610:28
–attackerkb
ATTACKERKB		CVE-2026-31393
3 Apr 202615:15
–attackerkb
ATTACKERKB		CVE-2026-23440
3 Apr 202615:15
–attackerkb
ATTACKERKB		CVE-2026-23247
18 Mar 202610:05
–attackerkb
ATTACKERKB		CVE-2026-31408
6 Apr 202607:38
–attackerkb
ATTACKERKB		CVE-2026-23441
3 Apr 202615:15
–attackerkb
ATTACKERKB		CVE-2026-31399
3 Apr 202615:16
–attackerkb
ATTACKERKB		CVE-2026-31405
6 Apr 202607:33
–attackerkb
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17 Apr 2026 13:20Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.8 - 9.8
EPSS0.0006
linux kernelmultipath tcpfastclose fixdivide by zeromaximum segment size
3