CVE-2026-90043

CVE-2026-90043 affects the zram module in the Linux kernel on 64-bit big-endian systems. The root cause is a bit-position aliasing bug: the slot lock bit is computed over the entire __lock word, where flags and ac_time alias as two u32 values. On big-endian, the lock bit lands in the ac_time half...

CVE-2026-90043 zram: fix slot lock bit position on big-endian 64-bit

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot lock bit position on big-endian 64-bit The slot lock is a bit operation on the whole lock word, which flags and actime alias as two u32s. On little-endian the lock bit lands in the position ZRAMENTRYLOCK reserves i...

CVE-2026-90043 zram: fix slot lock bit position on big-endian 64-bit

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot lock bit position on big-endian 64-bit The slot lock is a bit operation on the whole lock word, which flags and actime alias as two u32s. On little-endian the lock bit lands in the position ZRAMENTRYLOCK reserves i...

EUVD-2026-80651

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot lock bit position on big-endian 64-bit The slot lock is a bit operation on the whole lock word, which flags and actime alias as two u32s. On little-endian the lock bit lands in the position ZRAMENTRYLOCK reserves i...

CVE-2026-90043: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot lock bit position on big-endian 64-bit The slot lock is a bit operation on the whole lock word, which flags and actime alias as two u32s. On little-endian the lock bit lands in the position ZRAMENTRYLOCK reserves i...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed error handling for pcislottrylock The commit a4e772898f8b “PCI: Added bridge lock to pcibuslock” delegates the bridge device’s pcidevtrylock to pcibustrylock in pcislottrylock. However, it forgot to remove the...

CVE-2026-43211

A flaw was found in the Linux kernel. An error in the PCI Peripheral Component Interconnect subsystem's lock management, specifically within the pcislottrylock function, can lead to system instability. This occurs when a lock is incorrectly released, potentially causing warnings or interfering wi...

EUVD-2026-27773

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pcislottrylock error handling Commit a4e772898f8b "PCI: Add missing bridge lock to pcibuslock" delegates the bridge device's pcidevtrylock to pcibustrylock in pcislottrylock, but it forgets to remove the corresponding...

Linux Distros Unpatched Vulnerability : CVE-2026-43211

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PCI: Fix pcislottrylock error handling Commit a4e772898f8b PCI: Add missing bridge lock to pcibuslock delegates the bridge device's pcidevtrylock to...

SUSE CVE-2025-39941

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...

CVE-2025-39941

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...

CVE-2025-39941

CVE-2025-39941 relates to the Linux kernel zram subsystem. The vulnerability arises from a race in slot write handling where parallel writes to the same zram index can leak zsmalloc handles because zs_free() is executed too early. The documented fix is to reset the zram entry and assign the new h...

CVE-2025-39941 zram: fix slot write race condition

In the Linux kernel, the following vulnerability has been resolved: zram: fix slot write race condition Parallel concurrent writes to the same zram index result in leaked zsmalloc handles. Schematically we can have something like this: CPU0 CPU1 zramslotlock zsfreehandle zramslotlock zramslotlock...