CVE-2026-53281

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption Commit 60f030f7418d "iommu/vt-d: Avoid use of NULL after WARNONONCE" fixed a NULL pointer dereference in an unlikely situation partly. If devpasid is not found in...

CVE-2026-53281

The CVE-2026-53281 entries describe a Linux kernel IOMMU VT-d issue where NULL pointer dereference or refcount corruption could occur during teardown if dev_pasid was not found in the dev_pasids list or if domain was never attached. The root cause was improper teardown execution after potential N...

CVE-2026-53281 iommu/vt-d: Avoid NULL pointer dereference or refcount corruption

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption Commit 60f030f7418d "iommu/vt-d: Avoid use of NULL after WARNONONCE" fixed a NULL pointer dereference in an unlikely situation partly. If devpasid is not found in...

RockyLinux 8 : wayland (RLSA-2023:2786)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2023:2786 advisory. wayland: libwayland-server wlshm reference-count overflow CVE-2021-3782 Tenable has extracted the preceding description block directly from the RockyLinux securit...

UBUNTU-CVE-2026-53269

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

UBUNTU-CVE-2026-53161

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free of fastrpcuser in workqueue context There is a race between fastrpcdevicerelease and the workqueue that processes DSP responses. When the user closes the file descriptor, fastrpcdevicerelease fre...

CVE-2026-53269

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

CVE-2026-53269

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

CVE-2026-53141: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix global performance monitor reference counting In the SETGLOBAL ioctl, v3dperfmonfind bumps the reference count on the perfmon it returns, but v3dperfmonsetglobalioctl and v3dperfmondelete fail to release that referen...

EUVD-2026-38815

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

AZL-90392 CVE-2026-53109 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

CVE-2026-52947

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

CVE-2026-53109

CVE-2026-53109 concerns a Linux kernel PowerPC page-table fragment bug. In Hash 64K page setups, pte_frag_destroy can leave a folio active while fragments are freed, causing a “Bad page state” error on exit. The fix involves clearing the folio active flag during do_exit/pagetable teardown and inc...

EUVD-2026-38977

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

CVE-2026-53109 powerpc/pgtable-frag: Fix bad page state in pte_frag_destroy

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a reference count leak when an invalid session is found during session lookup. When a session is found, but its state is not SMB2SESSIONVALID, it indicates that no valid session was found. However, the reference coun...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Remove the improper idxdfree The call to idxdfree introduces a duplicate putdevice call, resulting in a reference count underflow: refcountt: underflow; use-after-free. WARNING: CPU: 15, PID: 4428, at...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Tracing: The WARNON message in tracingbuffersmmapclose has been fixed. When a process forks, the child process copies the parent’s virtual memory addresses, but the usermapped reference count is not incremented. As a result, when...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed a race condition in QP timer handlers I encountered the following warning: WARNING: drivers/infiniband/sw/rxe/rxetask.c:249 at rxeschedtask+0x1c8/0x238 rdmarxe, CPU0: swapper/0/0 … libsha1 last unloaded:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov5647 – A leak in the runtime PM reference count was fixed in sctrl. Three control cases AUTOGAIN, EXPOSUREAUTO, ANALOGUEGAIN directly return without calling pmruntimeput, causing a leak in the runtime PM reference...