Linux Distros Unpatched Vulnerability : CVE-2026-31577

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations...

CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

DEBIAN-CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31577 nilfs2: fix NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

EUVD-2026-25470

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

PT-2026-34929

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the nilfs2 component within the nilfs mdt save to shadow map function. The btree node cache i assoc inode of the DAT inode is initialized lazily duri...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013408)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013408 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: fix variable length array abuse in btreeiter btreeiter is used in two ways: either...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011242)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011242 advisory. In the Linux kernel, the following vulnerability has been resolved: dm thin: Use last transaction's pmd-root when commit failed Recently we found a softlock up probl...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006953)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006953 advisory. In the Linux kernel, the following vulnerability has been resolved: dm thin: Use last transaction's pmd-root when commit failed Recently we found a softlock up probl...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013273)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013273 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix lockdep splat and potential deadlock after failure running delayed items When running...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007253)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007253 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations...

EUVD-2026-12852

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

UBUNTU-CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249

Summary (CVE-2026-23249) : In Linux kernel XFS, during free-space and inode btree repair, revalidation calls xchk_allocbt for BNOBT and CNTBT can race: the first call nullifies the CNTBT cursor, causing a NULL dereference on the second revalidation. The fix changes the control flow so CNTBT curso...

CVE-2026-23249 xfs: check for deleted cursors when revalidating two btrees

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249 xfs: check for deleted cursors when revalidating two btrees

In the Linux kernel, the following vulnerability has been resolved: 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 which it needs to evaluate both btrees to confirm that the corruptions a...