CVE-2025-39886

CVE-2025-39886 in the Linux kernel relates to a locking issue triggered when bpf_map_kmalloc_node() is called from __bpf_async_init(), potentially affecting memcg accounting and causing MEMCG_MAX events. The documented fix changes the bpf_timer_init() path to use allow_spinning=false and, per ups...

CVE-2025-39886 bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()

In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...

CVE-2025-39881 kernfs: Fix UAF in polling when open file is released

In the Linux kernel, the following vulnerability has been resolved: kernfs: Fix UAF in polling when open file is released A use-after-free UAF vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-free in psitriggerpoll+0x3c/0x140 Read...

CVE-2025-39881 kernfs: Fix UAF in polling when open file is released

In the Linux kernel, the following vulnerability has been resolved: kernfs: Fix UAF in polling when open file is released A use-after-free UAF vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-free in psitriggerpoll+0x3c/0x140 Read...

CVE-2025-39881

CVE-2025-39881 involves a use-after-free in the Linux kernel PSI/PCI monitoring path within kernfs polling. The issue occurs when an open PSI-related file is released while an epoll poll still holds references, leading to use-after-free during re-enabling the monitoring. The fix introduces kernfs...

PT-2025-51591

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc3 Description A deadlock situation can occur during policy configuration within the block layer blk-cgroup. This deadlock is triggered by a circular locking dependency, specifically involving locks relat...

Linux Distros Unpatched Vulnerability : CVE-2023-53421

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called ...

SUSE CVE-2023-53401

In the Linux kernel, the following vulnerability has been resolved: mm: kmem: fix a NULL pointer dereference in objstockflushrequired KCSAN found an issue in objstockflushrequired: stock-cachedobjcg can be reset between the check and dereference:...

SUSE CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

DEBIAN-CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

AZL-71915 CVE-2023-53421 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

UBUNTU-CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421 blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421 blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

CVE-2023-53421

CVE-2023-53421 affects the Linux kernel blk-cgroup: when blkcg_reset_stats() clears memory for blkg_iostat_set, the fields blkg and sync are not properly re‑initialized, risking a NULL pointer dereference in blkg and potentially a kernel panic (and a lockdep issue in debug builds). The advisory f...

CVE-2023-53421 blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

AZL-72275 CVE-2023-53401 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: mm: kmem: fix a NULL pointer dereference in objstockflushrequired KCSAN found an issue in objstockflushrequired: stock-cachedobjcg can be reset between the check and dereference:...