WebSep 11, 2024 · Spectre-BHB / BHI was disclosed in early March and saw same-day Linux kernel mitigation patches for Arm and Intel CPUs . The Arm mitigation added the … WebMar 24, 2024 · Spectre-BHB: branch target injection in the same software context (unlike Spectre v2, which injects branch targets across different exception levels) (CVE-2024-23960). For more information on this attack mechanism and potential mitigations, please see the information found on the Spectre-BHB page.
Spectre-BHB: Speculative Target Reuse Attacks
WebFuture CPUs may implement a clearbhb instruction that is sufficient to mitigate SpectreBHB. CPUs that implement this instruction, but not CSV2.3 must be affected by Spectre-BHB. Add support to use this instruction as the BHB mitigation on CPUs that support it. The instruction is in the hint space, so it will be treated by a NOP as older CPUs. WebSep 14, 2024 · Patch Tuesday September 2024: Spectre-BHB on ARM but fewer total fixes - N-able Blog 23rd March, 2024 Outlook Zero-Day (CVE-2024-23397) Fix for N-central and N … cowboy vs samurai
[stable:PATCH v4.19.267 0/2] arm64: errata: Spectre-BHB fixes
WebArm CPUs affected by Spectre-BHB are also affected by this issue. Given the broad range of attack vectors for eBPF, and the high-performance requirements, Arm strongly recommends that systems ensure that only eBPF code supplied by trusted parties is used. WebToggle navigation Patchwork Linux ARM Kernel Architecture Patches Bundles About this project Login; ... Mail settings; 12781743 diff mbox series [stable:PATCH,v5.4.184,20/22] arm64: Mitigate spectre style branch history side channels. Message ID: [email protected] (mailing list archive) State: New, … WebSep 11, 2024 · Spectre-BHB / BHI was disclosed in early March and saw same-day Linux kernel mitigation patches for Arm and Intel CPUs . The Arm mitigation added the MITIGATE_SPECTRE_BRANCH_HISTORY option to control at build-time whether to mitigate against Spectre-BHB, but there wasn't any run-time option for controlling the behavior at … cowboy walking stick