powerpc/64s/slb: Fix SLB multihit issue during SLB preload

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CVE-2025-71078

A Segment Lookaside Buffer SLB multi-hit error vulnerability was found in the Linux kernel's PowerPC 64-bit hash MMU implementation. When a process migrates between CPUs without triggering switchmmucontext because prev and next mmstruct are the same, the hardware SLB and software preload cache ca...

AZL-74309 CVE-2025-71078 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

CVE-2025-71078

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

CVE-2025-71078

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

CVE-2025-71078 powerpc/64s/slb: Fix SLB multihit issue during SLB preload

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

CVE-2025-71078

CVE-2025-71078 describes a Linux kernel fix for a SLB multihit issue on hash MMU POWERPC 64s. The root cause is a mismatch between the hardware SLB and the software preload cache when the kernel optimizes switch_mm_irqs_off by not calling switch_mmu_context() if prev and next mm_struct are the sa...

CVE-2025-71078 powerpc/64s/slb: Fix SLB multihit issue during SLB preload

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s/slb: Fix SLB multihit issue during SLB preload On systems using the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache is subject to period...

PT-2026-2599

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the powerpc/64s/slb subsystem related to the SLB preload cache on systems utilizing a hash MMU. Specifically, inconsistencies can arise between the...

Missing Linux Kernel mitigations for 'iTLB multihit' hardware vulnerabilities

The remote host is missing one or more known mitigations on Linux Kernel side for the referenced SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-onl...

openSUSE Security Update : spectre-meltdown-checker (openSUSE-2019-2710)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

Security update for spectre-meltdown-checker (moderate)

openSUSE Security Update: Security update for spectre-meltdown-checker Announcement ID: openSUSE-SU-2019:2710-1 Rating: moderate References: 1117665 1139073 Cross-References: CVE-2018-12207 CVE-2019-11135 Affected Products: openSUSE Leap 15.1 An update that fixes two vulnerabilities is now...

SUSE SLES12 Security Update : spectre-meltdown-checker (SUSE-SU-2019:3340-1)

This update for spectre-meltdown-checker fixes the following issues : version 0.43 - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both...

SUSE SLED15 / SLES15 Security Update : spectre-meltdown-checker (SUSE-SU-2019:3348-1)

This update for spectre-meltdown-checker fixes the following issues : - feat: implement TAA detection CVE-2019-11135 bsc1139073 - feat: implement MCEPSC / iTLB Multihit detection CVE-2018-12207 bsc1117665 - feat: taa: add TSXCTRL MSR detection in hardware info - feat: fwdb: use both Intel GitHub...

Debian DSA-4566-1 : qemu - security update

This update for QEMU, a fast processor emulator, backports support to passthrough the pschange-mc-no CPU flag. The virtualised MSR seen by a guest is set to show the bug as fixed, allowing to disable iTLB Multihit mitigations in nested hypervisors cf. DSA 4564-1. C Tenable Network Security, Inc...

[SECURITY] [DSA 4566-1] qemu security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4566-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso November 12, 2019 https://www.debian.org/security/faq -...