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CVE-2026-89554

🗓️ 11 Sep 2026 19:44:27Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 2 Views

Uninitialized local_id in Linux kernel mptcp SYN cookie MP_JOIN path corrupts subflow bookkeeping.

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CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction
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OSOS VersionArchitecturePackagePackage VersionFilename
Debian12alllinux6.1.187-1linux_6.1.187-1_all.deb
Debian13alllinux6.12.107-1linux_6.12.107-1_all.deb
Debian14alllinux7.1.13-1linux_7.1.13-1_all.deb
Debian999alllinux7.1.13-1linux_7.1.13-1_all.deb

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