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Message-ID: <CAD9zwiUv6UuakBB6UWanPuqEQS8=Nbp3-Vjb9p6yxix+acTKoA@mail.gmail.com>
Date: Thu, 5 Mar 2026 19:03:36 +0000
From: Seth Arnold <seth.arnold@...onical.com>
To: oss-security@...ts.openwall.com
Cc: Ubuntu Security <security@...ntu.com>
Subject: CVE-2025-13350 for Ubuntu Linux kernel
Hello, today the Ubuntu Security Team published CVE-2025-13350 for the
Ubuntu packaging of the Linux kernel. The issue comes from an incorrectly
backported patch that caused us to mix an old-style with a new-style
garbage collector for Unix Domain Sockets.
Upstream kernels weren't affected because they did not cherry-pick pieces
of the transition.
I thought it worth sending a message to a widely read and widely archived
place to give everyone peace of mind: If you consume the upstream kernel
directly, you're fine. This issue only affected Ubuntu and anyone that
rebuilds Ubuntu kernels.
Thanks
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