Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Force RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware, we never assign a callback for that function. At the same time, we mount efivarfs as RO so that no one...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fixed a slab-out-of-bounds issue in efivarfsdcompare. This issue was observed in kernel version 6.6 present on master as well. Bugs: - KASAN: Slab-out-of-bounds in memcmp+0x98/0xd0 - Call trace: kasancheckrange+0xe8/0x1...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: efivarfs: fixed error propagation in efivarentryget The efivarentryget function always returns success, even if the underlying efivarentryget function fails, thereby masking errors. This may result in uninitialized heap memory...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2025_19103)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202519103 advisory. kernel: Bluetooth: L2CAP: fix bad unlock balance in l2capdisconnectrsp CVE-2023-53297 kernel: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2025_19102)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202519102 advisory. kernel: Bluetooth: L2CAP: fix bad unlock balance in l2capdisconnectrsp CVE-2023-53297 kernel: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare...

ROS-20260918-73-0077

The vulnerability of the efivarentryget function in the fs/efivarfs/vars.c file of the Linux kernel file system is related to deficiencies in error handling. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

SUSE CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

Linux Distros Unpatched Vulnerability : CVE-2026-89604

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of cal...

CVE-2026-89604

A flaw was found in the Linux kernel's efivarfs component. An unprivileged local user can exploit this by repeatedly calling the statfs handler on the efivarfs mount point. This action triggers a flood of calls to the QueryVariableInfo runtime service, which is particularly costly on x86 systems...

DEBIAN-CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

AZL-100856 CVE-2026-89604 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

UBUNTU-CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604 efivarfs: Rate limit statfs() handler

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604 efivarfs: Rate limit statfs() handler

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604

CVE-2026-89604 affects the Linux kernel's efivarfs filesystem. Unprivileged users can repeatedly call statfs() on the efivarfs mount point, triggering a flood of calls to the QueryVariableInfo() UEFI runtime service. On x86 systems where the EFI variable store is backed by SMM (System Management ...

EUVD-2026-76516

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

CVE-2026-89604

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...

PT-2026-96593

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...