CVE-2026-64082

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying it to the user. A zero initialization was missed here. Most of the struct is filled using a copyfromuser function; however, the minsz parameter for that copy is 8 bytes...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ublk: Clean up user copy references on the ublk server exit. If a ublk server process releases a ublk character device file, any requests dispatched to the ublk server but not yet completed will retain a reference value of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the bpf and arm64 implementations, the value of prog-jitedlen was cleared along with prog-jited. The syzbot reported an attempt to perform an illegal copytouser operation from the bpfproggetinfobyfd function 1. There has been ...

CVE-2025-71070

A reference count leak flaw was found in the Linux kernel's ublk userspace block driver subsystem. When a ublk server process exits while requests are still pending, the reference counts for those requests are not properly decremented. This leads to WARNONONCE warnings and could potentially allow...

SUSE CVE-2025-71070

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000887)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000887 advisory. Use-after-free vulnerability in the ffsusercopyworker function in drivers/usb/gadget/function/ffs.c in the Linux kernel before 4.5.3 allows local users to gain...

CVE-2025-71070

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

UBUNTU-CVE-2025-71070

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

CVE-2025-71070

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

CVE-2025-71070 ublk: clean up user copy references on ublk server exit

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

CVE-2025-71070

CVE-2025-71070 relates to the Linux kernel ublk driver. A reference-count leak on server exit could allow user copy and zero-copy on completed ublk requests due to a path that skipped decrementing the refcount in certain flows. The issue was addressed by commits that fixed the ublk_io_release pat...

CVE-2025-71070 ublk: clean up user copy references on ublk server exit

In the Linux kernel, the following vulnerability has been resolved: ublk: clean up user copy references on ublk server exit If a ublk server process releases a ublk char device file, any requests dispatched to the ublk server but not yet completed will retain a ref value of UBLKREFCOUNTINIT. Befo...

PT-2026-2591

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s ublk subsystem related to reference counting of user copy operations. Specifically, when a ublk server process releases a ublk character device file,...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure to clean up user copy references when the ublk server exits, which could lead to reuse after relea...

Linux Distros Unpatched Vulnerability : CVE-2025-71070

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: ublk: clean up user copy references on ublk server exit If a ublk server process releases a...

CVE-2023-54034

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying to user Missed a zero initialization here. Most of the struct is filled with a copyfromuser, however minsz for that copy is smaller than the actual struct by 8 bytes,...

UBUNTU-CVE-2023-54034

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying to user Missed a zero initialization here. Most of the struct is filled with a copyfromuser, however minsz for that copy is smaller than the actual struct by 8 bytes,...

CVE-2023-54034

In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfioiommutype1info before copying to user Missed a zero initialization here. Most of the struct is filled with a copyfromuser, however minsz for that copy is smaller than the actual struct by 8 bytes,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990456)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990456 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Clear prog-jitedlen along prog-jited syzbot reported an illegal copytouser attempt fr...