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CPU vulnerabilities
Posted: Thu Nov 22, 2018 10:34 pm
by xeno74
FYI:
X1000, CPU: PWRficient PA6T-1682M, kernel 4.20-rc3: grep . /sys/devices/system/cpu/vulnerabilities/*
Code: Select all
/sys/devices/system/cpu/vulnerabilities/l1tf:Not affected
/sys/devices/system/cpu/vulnerabilities/meltdown:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spectre_v1:Mitigation: __user pointer sanitization
/sys/devices/system/cpu/vulnerabilities/spectre_v2:Mitigation: Software count cache flush
, CPU: P5020 (e5500), kernel 4.20-rc3: grep . /sys/devices/system/cpu/vulnerabilities/*
Code: Select all
/sys/devices/system/cpu/vulnerabilities/l1tf:Not affected
/sys/devices/system/cpu/vulnerabilities/meltdown:Not affected
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass:Not affected
/sys/devices/system/cpu/vulnerabilities/spectre_v1:Mitigation: __user pointer sanitization
/sys/devices/system/cpu/vulnerabilities/spectre_v2:Mitigation: Software count cache flush
Re: CPU vulnerabilities
Posted: Mon Nov 26, 2018 8:06 am
by xeno74
Hi,
I reported the PA6T vulnerabilities to the Linux PPC developers today.
Link:
https://lists.ozlabs.org/pipermail/linuxppc-dev/2018-November/181780.html
The P5020 CPU doesn’t have any problems with vulnerabilities with the latest Linux kernels!
Have a nice week!
Cheers,
Christian
Re: CPU vulnerabilities
Posted: Fri Dec 28, 2018 6:05 pm
by xeno74
FYI:
X1000, CPU: PWRficient PA6T-1682M, kernel 4.21-alpha3: grep . /sys/devices/system/cpu/vulnerabilities/*
Code: Select all
/sys/devices/system/cpu/vulnerabilities/l1tf:Not affected
/sys/devices/system/cpu/vulnerabilities/meltdown:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spectre_v1:Mitigation: __user pointer sanitization
/sys/devices/system/cpu/vulnerabilities/spectre_v2:Vulnerable
Re: CPU vulnerabilities
Posted: Wed Dec 29, 2021 4:00 am
by xeno74
CPU information (cpuinfo) with the kernel 5.16 on an AmigaOne X1000:
cat /proc/cpuinfo
Code: Select all
processor : 0
cpu : PA6T, altivec supported
clock : 1800.000000MHz
revision : 1.2 (pvr 0090 0102)
processor : 1
cpu : PA6T, altivec supported
clock : 1800.000000MHz
revision : 1.2 (pvr 0090 0102)
timebase : 66666666
platform : A-EON Amigaone X1000
model : pasemi,nemo
Code: Select all
Architecture: ppc64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Big Endian
CPU(s): 2
On-line CPU(s) list: 0,1
Thread(s) per core: 1
Core(s) per socket: 2
Socket(s): 1
Model: 1.2 (pvr 0090 0102)
Model name: PA6T, altivec supported
L1d cache: 128 KiB
L1i cache: 128 KiB
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Vulnerable
Vulnerability Mds: Not affected
Vulnerability Meltdown: Vulnerable
Vulnerability Spec store bypass: Vulnerable
Vulnerability Spectre v1: Mitigation; __user pointer sanitization
Vulnerability Spectre v2: Vulnerable
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Re: CPU vulnerabilities
Posted: Wed Dec 29, 2021 5:16 pm
by xeno74
Hi,
I reported the PA6T vulnerabilities to the Linux PPC developers today.
Link:
The PA6T is still vulnerable
Cheers,
Christian
Re: CPU vulnerabilities
Posted: Fri Dec 31, 2021 5:18 pm
by Hypex
No change in three years?
