Backport xfrm race condition fix to stable kernel version 6.6.y

Tahera Fahimi <[email protected]>
Newsgroups org.kernel.vger.stable
Message-ID <[email protected]> 
From: [email protected]

Dear Stable Kernel Maintainers,

I am writing to request the backport of the following patch to stable kernel versions 6.6.y,
addressing CVE-2026-31516.

Patch to Apply:
    Subject: xfrm: prevent policy_hthresh.work from racing with netns teardown
    Commit ID: 29fe3a61bcdce398ee3955101c39f89c01a8a77e

Kernel version: latest kernel version in 6.6.y branch

Best regards,
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