Retbleed is a CPU speculative execution attack made public in July 2022.

Retbleed Articles & Reviews

Linux 6.2's Call Depth Tracking Helps Recover Lost Performance On Intel Skylake CPUs   Software   2022-12-28
Following Retbleed, The Combined CPU Security Mitigation Impact For AMD Zen 2 / Ryzen 9 3950X   Software   2022-09-06
Retbleed Impact, Overall CPU Security Mitigation Cost For Intel Xeon E3 v5 Skylake   Software   2022-07-28
AMD Zen 1 Linux Performance Hit From Retbleed, Accumulated CPU Mitigation Impact   Software   2022-07-20
Benchmarking The Linux Mitigated Performance For Retbleed: It's Painful   Software   2022-07-13

Retbleed Linux & Open-Source News

Linux 6.7 To Update Intel IBRS Mitigation Handling To Enhance System Performance   Intel   2023-10-04
Linux Now Mitigating Hygon CPUs For Inception/SRSO Vulnerability   Linux Security   2023-10-01
AMD Inception / Speculative Return Stack Overflow Linux Mitigation Code Being Cleaned Up   Linux Kernel   2023-08-09
Red Hat Aiming To Address IBRS Mitigation Still Being Too Costly On Performance   Red Hat   2023-06-19
Linux 6.2 Released With Intel Arc Graphics Promoted, Open-Source NVIDIA RTX 30   Linux Kernel   2023-02-19
The Best Linux 6.2 Features From Intel Arc Graphics To Better Performance For Older PCs   Linux Kernel   2023-02-17
Proposed Linux Patch Would Allow Disabling CPU Security Mitigations At Build-Time   Linux Security   2023-02-03
Radeon RX 7900 XT/XTX, EPYC Genoa & Linux 6.2 Developments Made For An Exciting Month   Phoronix   2023-01-01
AMD Continued Its Great Linux Embrace In 2022 With Better Launch-Day Support + Optimizations   AMD   2022-12-31
AMD Zen 4, Apple Silicon, Intel Arc Graphics & More Excited Linux Users This Year   Phoronix   2022-12-30
Intel SGX Async Exit Notification "AEX Notify" Lands In Linux 6.2   Intel   2022-12-14
Call Depth Tracking Coming To Linux 6.2 To Help Recover Performance On Skylake-Era CPUs   Intel   2022-12-14
Call Depth Tracking Aligning For Linux 6.2 To Lessen Mitigation Performance Hit For Intel Skylake   Linux Security   2022-10-19
Linux 6.1 Should Be Very Exciting With Rust, AMD PMF, MGLRU & Other Changes Expected   Linux Kernel   2022-10-02
AMD Ryzen 7000 Series, Linux 6.0, MGLRU, Rust & IO_uring Made For An Exciting September   Phoronix   2022-10-01
With AMD Zen 4, It's Surprisingly Not Worthwhile Disabling CPU Security Mitigations   AMD   2022-09-30
Call Depth Tracking For Less Costly Retbleed Mitigation Hopes To Land Soon   Linux Security   2022-09-17
Debian 11.5 Released With NVIDIA Driver Security Fixes, Linux Retbleed Mitigation, Other   Debian   2022-09-10
VMware: ESXi VM Performance Tanks Up To 70% Due To Intel Retbleed Mitigation   Linux Kernel   2022-09-09
LLVM 15.0 Released With Security Features, Experimental DirectX Back-End, New AMD GPUs   LLVM   2022-09-06
Call Depth Tracking Mitigation Updated For Linux In Better Mitigating Retbleed   Linux Security   2022-09-02
Linux Gets New Patch To Fix AMD Retbleed Mitigation - STIBP Needed With IBPB   AMD   2022-08-13
Ubuntu 22.04.1 LTS Released   Ubuntu   2022-08-11
Ubuntu 22.04.1 LTS Preparing For Release With Retbleed Patched, Intel AMX, Other Fixes   Ubuntu   2022-08-03
Systemd Creator At Microsoft, Retbleed, Rust's Continued Growth & Other July Highlights   Phoronix   2022-08-01
Linux 5.19-rc8 Released With More Retbleed Fixes, Intel GuC Firmware Fix   Linux Kernel   2022-07-24
Linux 5.19-rc8 Still Getting Bandaged From Retbleed Mitigation Fallout   Linux Kernel   2022-07-24
Linux x86 32-bit Is Vulnerable To Retbleed But Don't Expect It To Get Fixed   Linux Security   2022-07-24
Intel Working On New Hardware-Based Prevention For Spectre-BHI Attacks   Intel   2022-07-18
Linux 5.19-rc7 Released Following A Tough Week With Retbleed, Intel GPU Firmware Snafu   Linux Kernel   2022-07-17
The Current Retbleed Performance Costs With An AMD Ryzen 7 4800U   AMD   2022-07-17
Retbleed: Call Depth Tracking Mitigation Eyed To Avoid IBRS "Performance Horror Show"   Linux Security   2022-07-17
"Retbleed" Published As Arbitrary Speculative Execution With Return Instructions   Linux Security   2022-07-12