CVE-2026-53108 powerpc/64s: Fix unmap race with PMD migration entries

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unmap race with PMD migration entries The following race is possible with migration swap entries or device-private THP entries. e.g. when movepages is called on a PMD THP page, then there maybe an intermediate...

CVE-2026-53108 powerpc/64s: Fix unmap race with PMD migration entries

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unmap race with PMD migration entries The following race is possible with migration swap entries or device-private THP entries. e.g. when movepages is called on a PMD THP page, then there maybe an intermediate...

CVE-2026-53108

CVE-2026-53108 concerns a race in PowerPC64 (book3s64) PMD migration handling during unmap vs move_pages. The vulnerability arises when a PMD migration entry is created by migrate_pages while an munmap occurs, hitting a VM_BUG_ON in pmdp_huge_get_and_clear_full. The Linux kernel patch (commit a30...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Added a check for a failure in kcalloc in parsethreadgroups. Since kcalloc may fail, it is necessary to check its return value to prevent a NULL pointer derefrence when passing it to ofpropertyreadu32array...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexec: Enable SMT before waking offline CPUs. If SMT is disabled or a partial SMT state is enabled, when a new kernel image is loaded for kexec, the following warning is observed upon reboot: kexec: Waking offline CPU 228...

PT-2026-52002

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel for powerpc/64s architectures during the unmapping of Page Middle Directory PMD migration entries. The issue occurs when a move pages system...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fixed a memory leak caused by incorrect chipdata lookups. The reported memory leak involves the following objects: Unreferenced object 0xc0000002a7fbc640 size 64: comm “kworker/8:1”, pid 540, jiffies 4294937872 Hex...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7516-8)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7516-8 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Linux Distros Unpatched Vulnerability : CVE-2026-46141

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: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the...

spi: mpc52xx: fix use-after-free on unbind

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The vulnerability of the powerpc/kexec component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the powerpc/kexec component in the Linux operating system is related to the lack of initialization for resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-46141

A flaw was found in the Linux kernel's powerpc/xive interrupt controller. This vulnerability, identified as a kernel memory leak kmemleak, occurs when allocating Message Signaled Interrupts eXtended MSI-X vectors for NVMe devices. Due to an incorrect lookup of interrupt data, the xiveirqdata...

CVE-2026-46141

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

CVE-2026-46141

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

UBUNTU-CVE-2026-46141

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

CVE-2026-46141 powerpc/xive: fix kmemleak caused by incorrect chip_data lookup

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

EUVD-2026-32768

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

CVE-2026-46141 powerpc/xive: fix kmemleak caused by incorrect chip_data lookup

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...

CVE-2026-46141

The CVE-2026-46141 entry concerns a Linux kernel kmemleak memory leak in the powerpc/xive interrupt controller. When MSI‑X vectors are allocated for NVMe devices, the kernel stores per‑irq data in irq_data->chip_data. After a commit that untangled XIVE from child interrupt controllers, xive_ir...

CVE-2026-46141

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: fix kmemleak caused by incorrect chipdata lookup The kmemleak reports the following memory leak: Unreferenced object 0xc0000002a7fbc640 size 64: comm "kworker/8:1", pid 540, jiffies 4294937872 hex dump first 32 byte...