Astra Linux – vulnerability in linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap increments the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

AZL-100892 CVE-2026-89576 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

DEBIAN-CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

UBUNTU-CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576

In the Linux kernel 's dm-era (device mapper era) target, metadata_take_snap() can permanently leak a metadata block on each failed snapshot operation. When dm_tm_shadow_block() allocates a new shadow block for the metadata snapshot, a subsequent failure in dm_sm_inc_block() for either writeset_t...

CVE-2026-89576 dm-era: fix shadowed superblock leak on take-snap failure

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576 dm-era: fix shadowed superblock leak on take-snap failure

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

CVE-2026-89576: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

PT-2026-90292

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the dm-era component during a failed snapshot operation. The metadata take snap function increases the live superblock reference count, and dm tm shadow block...