Linux Distros Unpatched Vulnerability : CVE-2026-23249

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfs: check for deleted cursors when revalidating two btrees The free space and inode btree repair functions will rebuild both btrees at the same time, after whi...

xfs: fix UAF in xchk_btree_check_block_owner

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CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

UBUNTU-CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223 xfs: fix UAF in xchk_btree_check_block_owner

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

SUSE CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004095)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004095 advisory. An issue was discovered in the Linux kernel through 5.6.11. btreegccoalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. Tenable has...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002704)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002704 advisory. The xfsbmapextentstobtree function in fs/xfs/libxfs/xfsbmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service xfsbmapiwrite NULL...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000443)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000443 advisory. An issue was discovered in the Linux kernel through 5.6.11. btreegccoalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. Tenable has...

PT-2026-8152

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18 Description The Linux kernel contains a flaw in the btrfs subsystem related to dirty metadata page handling. Specifically, the kernel may strictly require a dirty metadata threshold for metadata writepages,...

PT-2026-20449

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the xfs subsystem, specifically in the xchk btree check block owner function. The issue arises from a potential dereference of...

SUSE CVE-2023-54224

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix lockdep splat and potential deadlock after failure running delayed items When running delayed items we are holding a delayed node's mutex and then we will attempt to modify a subvolume btree to insert/update/delete the...

SUSE CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

EUVD-2023-60511

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

EUVD-2023-60523

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before inode lookup during the ino lookup ioctl During the ino lookup ioctl we can end up calling btrfsiget to get an inode reference while we are holding on a root's btree. If btrfsiget needs to lookup the...

EUVD-2023-60417

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix lockdep splat and potential deadlock after failure running delayed items When running delayed items we are holding a delayed node's mutex and then we will attempt to modify a subvolume btree to insert/update/delete the...

CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

CVE-2023-54281

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before inode lookup during the ino lookup ioctl During the ino lookup ioctl we can end up calling btrfsiget to get an inode reference while we are holding on a root's btree. If btrfsiget needs to lookup the...

CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...