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ubuntucveUbuntu.comUB:CVE-2020-0543
HistoryJun 09, 2020 - 12:00 a.m.

CVE-2020-0543

2020-06-0900:00:00
ubuntu.com
ubuntu.com
24

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

19.4%

JSON

Incomplete cleanup from specific special register read operations in some
Intel® Processors may allow an authenticated user to potentially enable
information disclosure via local access.

Notes

Author Note
tyhicks This issue only affects Intel client and Xeon E3 processors
sbeattie also known as “CrossTalk”
sbeattie Affected processor families: ============= ============ ======== common name Family_Model Stepping ============= ============ ======== IvyBridge 06_3AH All Haswell 06_3CH All Haswell_L 06_45H All Haswell_G 06_46H All Broadwell_G 06_47H All Broadwell 06_3DH All Skylake_L 06_4EH All Skylake 06_5EH All Kabylake_L 06_8EH <= 0xC Kabylake 06_9EH <= 0xD ============= ============ ========
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchintel-microcode< 3.20200609.0ubuntu0.18.04.0UNKNOWN
ubuntu19.10noarchintel-microcode< 3.20200609.0ubuntu0.19.10.0UNKNOWN
ubuntu20.04noarchintel-microcode< 3.20200609.0ubuntu0.20.04.0UNKNOWN
ubuntu20.10noarchintel-microcode< 3.20200609.0ubuntu0.20.04.0UNKNOWN
ubuntu14.04noarchintel-microcode< 3.20200609.0ubuntu0.14.04.0UNKNOWN
ubuntu16.04noarchintel-microcode< 3.20200609.0ubuntu0.16.04.0UNKNOWN
ubuntu18.04noarchxen< anyUNKNOWN
ubuntu20.04noarchxen< 4.11.3+24-g14b62ab3e5-1ubuntu2.3UNKNOWN
ubuntu16.04noarchxen< anyUNKNOWN

References

Related

osv 3
xen 1
nessus 68
oraclelinux 11
ibm 1
f5 1
lenovo 2
fedora 7
openvas 39
prion 1
freebsd 1
suse 4
nvd 1
cvelist 1
cve 1
ics 1
debiancve 1
redhatcve 1
attackerkb 1
virtuozzo 2
citrix 1
veracode 1
intel 1
redhat 24
thn 1
centos 4
ubuntu 9
hp 1
cloudfoundry 2
archlinux 1
amazon 2
mageia 1
debian 3
osv
osv
CVE-2020-0543
2020-06-15 14:15:11
intel-microcode - security update
2020-06-11 00:00:00
intel-microcode - security update
2020-06-13 00:00:00
xen
xen
Special Register Buffer speculative side channel
2020-06-09 16:33:00
nessus
nessus
SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:1609-1)
2020-06-18 00:00:00
Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2020-045)
2020-06-23 00:00:00
SUSE SLES12 Security Update : xen (SUSE-SU-2020:1632-1)
2020-07-09 00:00:00
oraclelinux
oraclelinux
Unbreakable Enterprise kernel security update
2020-06-18 00:00:00
Unbreakable Enterprise kernel security update
2020-06-10 00:00:00
kernel security and bug fix update
2020-06-23 00:00:00
ibm
ibm
Security Bulletin: IBM has released a Unified Extensible Firmware Interface (UEFI) fix in response to an Intel escalation of information disclosure vulnerability
2020-07-14 16:02:22
f5
f5
K25920352 : Intel CPU SRBDS side-channel vulnerability CVE-2020-0543
2020-09-30 00:00:00
lenovo
lenovo
Intel Special Register Buffer Data Sampling Advisory - Lenovo Support US
2020-06-04 16:44:25
Intel Special Register Buffer Data Sampling Advisory - Lenovo Support NL
2020-06-04 16:44:25
fedora
fedora
[SECURITY] Fedora 31 Update: kernel-headers-5.6.18-200.fc31
2020-06-18 01:02:02
[SECURITY] Fedora 32 Update: kernel-headers-5.6.18-300.fc32
2020-06-15 01:58:35
[SECURITY] Fedora 31 Update: kernel-5.6.18-200.fc31
2020-06-18 01:02:01
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2020:1633-1)
2021-04-19 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:1609-1)
2021-06-09 00:00:00
Fedora: Security Advisory for kernel (FEDORA-2020-3364913ace)
2020-06-23 00:00:00
prion
prion
Information disclosure
2020-06-15 14:15:00
freebsd
freebsd
Intel CPU issues
2020-06-09 00:00:00
suse
suse
Security update for xen (important)
2020-06-16 00:00:00
Security update for ucode-intel (moderate)
2020-06-11 00:00:00
Security update for xen (important)
2020-07-15 00:00:00
nvd
nvd
CVE-2020-0543
2020-06-15 14:15:11
cvelist
cvelist
CVE-2020-0543
2020-06-15 13:55:00
cve
cve
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2020-06-15 14:15:11
ics
ics
Siemens Industrial Products (Update F)
2022-03-10 12:00:00
debiancve
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redhatcve
redhatcve
CVE-2020-0543
2020-06-09 17:15:48
attackerkb
attackerkb
CVE-2020-0543 CROSSTALK
2020-06-15 00:00:00
virtuozzo
virtuozzo
Important kernel security update: New kernel 2.6.32-042stab145.3; Virtuozzo 6.0 Update 12 Hotfix 52 (6.0.12-3759)
2020-06-22 00:00:00
Important kernel security update: New kernel 2.6.32-042stab145.3 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0
2020-06-22 00:00:00
citrix
citrix
Citrix Hypervisor Security Updates
2020-06-09 04:00:00
veracode
veracode
Privilege Escalation
2020-06-10 04:58:39
intel
intel
Special Register Buffer Data Sampling Advisory
2020-06-12 00:00:00
redhat
redhat
(RHSA-2020:2427) Important: kernel security and bug fix update
2020-06-09 17:42:37
(RHSA-2020:2777) Moderate: kernel-rt security and bug fix update
2020-07-01 08:17:17
(RHSA-2020:2667) Important: kernel security and bug fix update
2020-06-23 12:34:48
thn
thn
Intel CPUs Vulnerable to New 'SGAxe' and 'CrossTalk' Side-Channel Attacks
2020-06-10 12:59:00
centos
centos
kernel, perf, python security update
2020-06-10 17:19:46
bpftool, kernel, perf, python security update
2020-06-23 19:56:05
microcode_ctl security update
2020-06-10 17:17:14
ubuntu
ubuntu
Linux kernel vulnerabilities
2020-06-10 00:00:00
Intel Microcode vulnerabilities
2020-06-09 00:00:00
Linux kernel vulnerabilities
2020-06-10 00:00:00
hp
hp
HPSBHF03668 rev. 4 - Intel® 2020.1 IPU Special Register Buffer Data Sampling and Improper Data Forwarding
2020-06-05 00:00:00
cloudfoundry
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USN-4385-1: Intel Microcode vulnerabilities | Cloud Foundry
2020-06-22 00:00:00
USN-4385-2: Intel Microcode regression | Cloud Foundry
2020-06-22 00:00:00
archlinux
archlinux
[ASA-202006-10] intel-ucode: information disclosure
2020-06-13 00:00:00
amazon
amazon
Medium: microcode_ctl
2020-06-26 22:53:00
Medium: microcode_ctl
2020-07-14 01:55:00
mageia
mageia
Updated microcode packages fix security vulnerability
2020-08-01 02:25:42
debian
debian
[SECURITY] [DSA 4701-1] intel-microcode security update
2020-06-11 15:21:45
[SECURITY] [DLA 2248-1] intel-microcode security update
2020-06-13 15:29:48
[SECURITY] [DSA 4701-1] intel-microcode security update
2020-06-11 15:21:45

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

19.4%

JSON
Related for UB:CVE-2020-0543
osv3xen1nessus68oraclelinux11ibm1f51lenovo2fedora7openvas39prion1freebsd1suse4nvd1cvelist1cve1ics1debiancve1redhatcve1attackerkb1virtuozzo2citrix1veracode1intel1redhat24thn1centos4ubuntu9hp1cloudfoundry2archlinux1amazon2mageia1debian3