Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference...

Libssh: libssh: denial of service via unchecked proxycommand fork() failure

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Linux Distros Unpatched Vulnerability : CVE-2026-64600

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork...

CVE-2026-64253

In the Linux kernel, the following vulnerability has been resolved: kernel/fork: clear PFBLOCKTS in copyprocess PFBLOCKTS is only set in blktimegetns when current-plug is non-NULL, and blkfinishplug clears it via blkflushplug before NULLing the plug pointer. copyprocess breaks the invariant by...

CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

UBUNTU-CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600

The CVE-2026-64600 issue affects the Linux kernel’s XFS implementation. The race arises when xfs_reflink_fill_{cow_hole,delalloc} cycle the ILOCK to obtain a transaction, leaving data fork and cow fork mappings stale after reacquiring the ILOCK. Specifically, the data fork mapping was not refresh...

EUVD-2026-47879

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

GO-2026-6044 Gitea: Permanent Fork PR Workflow Approval Gate Bypass in code.gitea.io/gitea

Gitea: Permanent Fork PR Workflow Approval Gate Bypass in code.gitea.io/gitea...

GO-2026-6052 Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard) in gitea.dev

Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch missing fork-PR guard in gitea.dev...

SUSE CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

EUVD-2026-41619

Gitea: Fork Synchronization Continues After Parent Repository Changes from Public to Private...

GHSA-WRF9-R3H7-7X5V Gitea: Fork Synchronization Continues After Parent Repository Changes from Public to Private

Summary The POST /api/v1/repos/owner/repo/merge-upstream endpoint continues to synchronize commits from a parent repository after the parent repository has been changed from public to private. A fork created while the parent repository was public can still receive commits made after the parent...

Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

Summary GetActionsUserRepoPermission models/perm/access/repopermission.go decides whether an Actions task token may access a target repo. Its cross-repo branches each enforce a fork-PR discriminator — except the collaborative-owner branch, which is missing the !task.IsForkPullRequest guard that i...