Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Conditional IBPB mitigation has been added. VMSCAPE is a vulnerability that exploits the insufficient branch predictor isolation between a guest and a userspace hypervisor such as QEMU. Existing mitigations already...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Fixed a race condition related to waking up the NFSLAYOUTDRAIN task. We identified several systems where tasks were stuck in a writeback state, waiting for the same page lock. Additionally, one task was waiting for th...

CVE-2025-71159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously, btrfsgetorcreatedelayednode set the delayednode's refcount before acquiring the root-delayednodes lock. Commit e8513c012de7 "btrfs: implement reftracker...

UBUNTU-CVE-2025-71159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously, btrfsgetorcreatedelayednode set the delayednode's refcount before acquiring the root-delayednodes lock. Commit e8513c012de7 "btrfs: implement reftracker...

CVE-2025-71159 btrfs: fix use-after-free warning in btrfs_get_or_create_delayed_node()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously, btrfsgetorcreatedelayednode set the delayednode's refcount before acquiring the root-delayednodes lock. Commit e8513c012de7 "btrfs: implement reftracker...

CVE-2025-71159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously, btrfsgetorcreatedelayednode set the delayednode's refcount before acquiring the root-delayednodes lock. Commit e8513c012de7 "btrfs: implement reftracker...

CVE-2025-71159

CVE-2025-71159 relates to a Linux kernel vulnerability in the Btrfs filesystem. The issue is a memory-ordering/race condition in btrfs_get_or_create_delayed_node(), where the delayed_node refcount was set before acquiring the root->delayed_nodes lock, allowing stores to node->refs and btrfs...

CVE-2025-71159 btrfs: fix use-after-free warning in btrfs_get_or_create_delayed_node()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously, btrfsgetorcreatedelayednode set the delayednode's refcount before acquiring the root-delayednodes lock. Commit e8513c012de7 "btrfs: implement reftracker...

Linux Distros Unpatched Vulnerability : CVE-2025-71159

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: btrfs: fix use-after-free warning in btrfsgetorcreatedelayednode Previously,...

MiracleLinux 9 : kernel-5.14.0-427.26.1.el9_4 (AXSA:2024-8593:22)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8593:22 advisory. kernel: TIPC message reassembly use-after-free remote code execution vulnerability CVE-2024-36886 kernel: ethernet: hisilicon: hns: hnsdsafmisc: fix...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004372)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004372 advisory. A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabl...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001553)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001553 advisory. An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service panic because net/netfilter/xtables...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004182)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004182 advisory. A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabl...

MiracleLinux 7 : xorg-x11-server-1.20.4-99.0.1.el7.AXS7 (AXSA:2025-10843:03)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10843:03 advisory. CVE-2025-26594: refuse to free the root cursor and keep its ref CVE-2025-26595: fix buffer overflow in XkbVModMaskText CVE-2025-26596: xkb: fix...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000499)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000499 advisory. A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabl...

Security Parameter Analysis of the LINEture Post-Quantum Digital Signature Scheme

This paper presents a comprehensive cryptographic analysis of the security parameters of the LINEture post-quantum digital signature scheme, which is constructed using matrix algebra over elementary abelian 2-groups. We investigate the influence of three principal parameters. First, the word size...

Exploit for Use After Free in Apple Safari

CVE-2025-43529 TL; DR Apple recently shipped iOS 26.2 and...

PT-2026-20425

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to memory management during System Management Unit SMU Mode 1 reset. During the reset cycle, the Application Specific Integrated Circuit ASIC...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992932 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/active: Fix misuse of non-idle barriers as fence trackers Users reported oopses on list...