CVE-2026-64417 mm: shrinker: fix NULL pointer dereference in debugfs

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

CVE-2026-64417 mm: shrinker: fix NULL pointer dereference in debugfs

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

PT-2026-64640

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Reading the debugfs count file of a memcg-aware shrinker can cause the system to sleep inside an RCU read-side critical section. This occurs because the shrinker debugfs count show...

Linux Distros Unpatched Vulnerability : CVE-2026-64473

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vfio: Remove device debugfs before releasing devres VFIO device debugfs files created with debugfscreatedevmseqfile store a devres allocated debugfsdevmentry as...

PT-2026-64638

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the debugfs implementation of the memory management shrinker. The function shrinker debugfs add unconditionally creates count and scan debugfs files,...

Linux Distros Unpatched Vulnerability : CVE-2026-64419

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/shrinker: do not hold RCU lock in shrinkerdebugfscountshow Reading the debugfs count file of a memcg-aware shrinker can sleep inside an RCU read-side critica...

CVE-2026-64417: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

Linux Distros Unpatched Vulnerability : CVE-2026-64417

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both count and scan debugfs files unconditionally. That assumes every shrinker...

CVE-2026-64419: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/shrinker: do not hold RCU lock in shrinkerdebugfscountshow Reading the debugfs "count" file of a memcg-aware shrinker can sleep inside an RCU read-side critical section: BUG: sleeping function called from invalid context at...

PT-2026-64694

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the VFIO component where vfio unregister group dev calls vfio device del before vfio device debugfs exit. Because device del releases devres device-managed resources,...

CVE-2026-64473: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: vfio: Remove device debugfs before releasing devres VFIO device debugfs files created with debugfscreatedevmseqfile store a devres allocated debugfsdevmentry as inode private data. vfiounregistergroupdev currently calls...

DEBIAN-CVE-2026-64251

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64251

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

UBUNTU-CVE-2026-64251

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64251

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64251

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

EUVD-2026-48660

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64251 pwrseq: core: fix use-after-free in pwrseq_debugfs_seq_next()

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64251

CVE-2026-64251 concerns a Linux kernel bug in the pwrseq core where use-after-free occurs in the pwrseq_debugfs_seq_next() path due to incorrect reference counting. The fix standardizes reference management across seq_file callbacks to prevent prematurely dropped references: start() now returns a...

PT-2026-64366

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the pwrseq debugfs seq next function. The function declares a next variable with freeput device, which triggers put device when the variable goes out of...