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ID

VAR-202106-0344


CVE

CVE-2020-24512


TITLE

Red Hat Security Advisory 2021-3255-02

Trust: 0.1

sources: PACKETSTORM: 163924

DESCRIPTION

Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: microcode_ctl security, bug fix and enhancement update Advisory ID: RHSA-2021:3028-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3028 Issue date: 2021-08-09 CVE Names: CVE-2020-0543 CVE-2020-0548 CVE-2020-0549 CVE-2020-8695 CVE-2020-8696 CVE-2020-8698 CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 ==================================================================== 1. Summary: An update for microcode_ctl is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: The microcode_ctl packages provide microcode updates for Intel. Security Fix(es): * hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543) * hw: Vector Register Data Sampling (CVE-2020-0548) * hw: L1D Cache Eviction Sampling (CVE-2020-0549) * hw: vt-d related privilege escalation (CVE-2020-24489) * hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511) * hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512) * hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695) * hw: Vector Register Leakage-Active (CVE-2020-8696) * hw: Fast forward store predictor (CVE-2020-8698) 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1788786 - CVE-2020-0548 hw: Vector Register Data Sampling 1788788 - CVE-2020-0549 hw: L1D Cache Eviction Sampling 1827165 - CVE-2020-0543 hw: Special Register Buffer Data Sampling (SRBDS) 1828583 - CVE-2020-8695 hw: Information disclosure issue in Intel SGX via RAPL interface 1890355 - CVE-2020-8696 hw: Vector Register Leakage-Active 1890356 - CVE-2020-8698 hw: Fast forward store predictor 1897684 - [rhel-7.9.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates 1962650 - CVE-2020-24489 hw: vt-d related privilege escalation 1962702 - CVE-2020-24511 hw: improper isolation of shared resources in some Intel Processors 1962722 - CVE-2020-24512 hw: observable timing discrepancy in some Intel Processors 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: microcode_ctl-2.1-73.11.el7_9.src.rpm x86_64: microcode_ctl-2.1-73.11.el7_9.x86_64.rpm microcode_ctl-debuginfo-2.1-73.11.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: microcode_ctl-2.1-73.11.el7_9.src.rpm x86_64: microcode_ctl-2.1-73.11.el7_9.x86_64.rpm microcode_ctl-debuginfo-2.1-73.11.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: microcode_ctl-2.1-73.11.el7_9.src.rpm x86_64: microcode_ctl-2.1-73.11.el7_9.x86_64.rpm microcode_ctl-debuginfo-2.1-73.11.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: microcode_ctl-2.1-73.11.el7_9.src.rpm x86_64: microcode_ctl-2.1-73.11.el7_9.x86_64.rpm microcode_ctl-debuginfo-2.1-73.11.el7_9.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2020-0543 https://access.redhat.com/security/cve/CVE-2020-0548 https://access.redhat.com/security/cve/CVE-2020-0549 https://access.redhat.com/security/cve/CVE-2020-8695 https://access.redhat.com/security/cve/CVE-2020-8696 https://access.redhat.com/security/cve/CVE-2020-8698 https://access.redhat.com/security/cve/CVE-2020-24489 https://access.redhat.com/security/cve/CVE-2020-24511 https://access.redhat.com/security/cve/CVE-2020-24512 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYRD++tzjgjWX9erEAQhA1A//eeO88DFGpTcHgCHrsXimUtK3MZX0RppT 5UOWuXgmPJniMPDALpkfTNTnNGASjBB+WDclaW2d/sZf52PzYLao5wGVIYdUx3Nl l9IvbGNMm0F7eI7aHdT2QnUhQQl1IpJrbmkhvBM2w85EmOfqlq+CpXnJMRXzoRdv sFPrWAo1opDNnBV6iYAnyULHFuWwcvU28n3JU945W8p/PvqJgSze77i4dmpzYkBj ljzVrIUl2pizBmnQMj03JJ+YeB8+oKb0uD2RdqHoxkUSFGH9OW6s/qytHu/eR4uL Y7WmIfHUxGsVRcmIjo/VaAvvWs4A3hdOL3nGdRAMQOKp+VoDcX7VDNURoxK/bkcJ OepHSyfWPCVXvOmU5l2ov1uzVQ/F+ajeevMehuzwQlTAIur5qE2eQ2Mwitfh/7WZ W3x67peCz51zVPtb7rkQfpzQzZKkjSAAclOYMzltv2PA5vSXZy8+hEqWZwqtesQn ltz36bjQMvRRhr1yGDbaFI5dcTB8T/eIkzmD6wPfbd7r7SEuE0GUd8Yf69VghGL2 f+mvR8oWb2x3RHXbpFm4aIt5mJHqIgfXDAohz7lXgLyJwQefyeJ5w+W8nOe+ZSK/ yvfiVQZz9tvPq8yqC87YWTA7zcnhoSmPvXRicJakpfJL/oz043Tc17jqxIra36sA UjXnNBNse8A=LIYI -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . 6 ELS) - i386, x86_64 3

Trust: 1.8

sources: NVD: CVE-2020-24512 // VULHUB: VHN-178398 // VULMON: CVE-2020-24512 // PACKETSTORM: 163924 // PACKETSTORM: 163954 // PACKETSTORM: 163758 // PACKETSTORM: 163772 // PACKETSTORM: 163031 // PACKETSTORM: 163036 // PACKETSTORM: 163043 // PACKETSTORM: 163047

AFFECTED PRODUCTS

vendor:debianmodel:linuxscope:eqversion:10.0

Trust: 1.0

vendor:netappmodel:solidfire biosscope:eqversion: -

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vendor:netappmodel:hci compute node biosscope:eqversion: -

Trust: 1.0

vendor:intelmodel:microcodescope:ltversion:20210608

Trust: 1.0

vendor:netappmodel:fas\/aff biosscope:eqversion: -

Trust: 1.0

sources: NVD: CVE-2020-24512

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-24512
value: LOW

Trust: 1.0

VULHUB: VHN-178398
value: LOW

Trust: 0.1

VULMON: CVE-2020-24512
value: LOW

Trust: 0.1

nvd@nist.gov: CVE-2020-24512
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

VULHUB: VHN-178398
severity: LOW
baseScore: 2.1
vectorString: AV:L/AC:L/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-24512
baseSeverity: LOW
baseScore: 3.3
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 1.8
impactScore: 1.4
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-178398 // VULMON: CVE-2020-24512 // NVD: CVE-2020-24512

PROBLEMTYPE DATA

problemtype:CWE-203

Trust: 1.1

sources: VULHUB: VHN-178398 // NVD: CVE-2020-24512

PATCH

title:Red Hat: CVE-2020-24512url:https://vulmon.com/vendoradvisory?qidtp=red_hat_cve_database&qid=CVE-2020-24512

Trust: 0.1

title:Debian CVElist Bug Report Logs: intel-microcode: CVE-2020-24511 CVE-2020-24512 CVE-2020-24513 CVE-2021-24489 (INTEL-SA-00464, INTEL-SA-00465, INTEL-SA-00442)url:https://vulmon.com/vendoradvisory?qidtp=debian_cvelist_bugreportlogs&qid=5d902b5a89823da316827bef43ff1012

Trust: 0.1

title:Debian Security Advisories: DSA-4934-1 intel-microcode -- security updateurl:https://vulmon.com/vendoradvisory?qidtp=debian_security_advisories&qid=4ad7d48e75ab61a8e061047171de2577

Trust: 0.1

title:Arch Linux Issues: url:https://vulmon.com/vendoradvisory?qidtp=arch_linux_issues&qid=CVE-2020-24512 log

Trust: 0.1

title:Arch Linux Advisories: [ASA-202106-34] intel-ucode: multiple issuesurl:https://vulmon.com/vendoradvisory?qidtp=arch_linux_advisories&qid=ASA-202106-34

Trust: 0.1

title:Siemens Security Advisories: Siemens Security Advisoryurl:https://vulmon.com/vendoradvisory?qidtp=siemens_security_advisories&qid=240e27e5c8fba28153598a375a2a4130

Trust: 0.1

title:CVE-2020-24512url:https://github.com/AlAIAL90/CVE-2020-24512

Trust: 0.1

sources: VULMON: CVE-2020-24512

EXTERNAL IDS

db:NVDid:CVE-2020-24512

Trust: 2.0

db:SIEMENSid:SSA-309571

Trust: 1.1

db:PACKETSTORMid:163047

Trust: 0.2

db:PACKETSTORMid:163043

Trust: 0.2

db:PACKETSTORMid:163031

Trust: 0.2

db:PACKETSTORMid:163036

Trust: 0.2

db:PACKETSTORMid:163037

Trust: 0.1

db:PACKETSTORMid:163044

Trust: 0.1

db:PACKETSTORMid:163040

Trust: 0.1

db:PACKETSTORMid:163042

Trust: 0.1

db:PACKETSTORMid:163048

Trust: 0.1

db:PACKETSTORMid:163032

Trust: 0.1

db:PACKETSTORMid:163046

Trust: 0.1

db:VULHUBid:VHN-178398

Trust: 0.1

db:VULMONid:CVE-2020-24512

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db:PACKETSTORMid:163924

Trust: 0.1

db:PACKETSTORMid:163954

Trust: 0.1

db:PACKETSTORMid:163758

Trust: 0.1

db:PACKETSTORMid:163772

Trust: 0.1

sources: VULHUB: VHN-178398 // VULMON: CVE-2020-24512 // PACKETSTORM: 163924 // PACKETSTORM: 163954 // PACKETSTORM: 163758 // PACKETSTORM: 163772 // PACKETSTORM: 163031 // PACKETSTORM: 163036 // PACKETSTORM: 163043 // PACKETSTORM: 163047 // NVD: CVE-2020-24512

REFERENCES

url:https://security.netapp.com/advisory/ntap-20210611-0005/

Trust: 1.2

url:https://www.debian.org/security/2021/dsa-4934

Trust: 1.2

url:https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html

Trust: 1.2

url:https://lists.debian.org/debian-lts-announce/2021/07/msg00022.html

Trust: 1.2

url:https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf

Trust: 1.1

url:https://access.redhat.com/security/cve/cve-2020-24512

Trust: 0.9

url:https://access.redhat.com/security/cve/cve-2020-24511

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-24512

Trust: 0.8

url:https://access.redhat.com/articles/11258

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-24489

Trust: 0.8

url:https://access.redhat.com/security/cve/cve-2020-24489

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url:https://listman.redhat.com/mailman/listinfo/rhsa-announce

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url:https://access.redhat.com/security/updates/classification/#important

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url:https://access.redhat.com/security/team/key/

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url:https://access.redhat.com/security/team/contact/

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url:https://nvd.nist.gov/vuln/detail/cve-2020-24511

Trust: 0.8

url:https://bugzilla.redhat.com/):

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url:https://nvd.nist.gov/vuln/detail/cve-2020-8696

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-8698

Trust: 0.4

url:https://nvd.nist.gov/vuln/detail/cve-2020-8698

Trust: 0.4

url:https://nvd.nist.gov/vuln/detail/cve-2020-0549

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-0543

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-8695

Trust: 0.4

url:https://nvd.nist.gov/vuln/detail/cve-2020-8695

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-0549

Trust: 0.4

url:https://nvd.nist.gov/vuln/detail/cve-2020-0543

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-8696

Trust: 0.4

url:https://nvd.nist.gov/vuln/detail/cve-2020-0548

Trust: 0.4

url:https://access.redhat.com/security/cve/cve-2020-0548

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url:https://access.redhat.com/security/cve/cve-2020-24513

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url:https://nvd.nist.gov/vuln/detail/cve-2020-24513

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url:https://cwe.mitre.org/data/definitions/203.html

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url:https://github.com/alaial90/cve-2020-24512

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url:https://nvd.nist.gov

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url:https://access.redhat.com/errata/rhsa-2021:3255

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url:https://access.redhat.com/errata/rhsa-2021:3323

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url:https://access.redhat.com/errata/rhsa-2021:3028

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url:https://access.redhat.com/errata/rhsa-2021:3029

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url:https://access.redhat.com/errata/rhsa-2021:2299

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url:https://access.redhat.com/errata/rhsa-2021:2300

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url:https://access.redhat.com/errata/rhsa-2021:2301

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url:https://access.redhat.com/errata/rhsa-2021:2303

Trust: 0.1

sources: VULHUB: VHN-178398 // VULMON: CVE-2020-24512 // PACKETSTORM: 163924 // PACKETSTORM: 163954 // PACKETSTORM: 163758 // PACKETSTORM: 163772 // PACKETSTORM: 163031 // PACKETSTORM: 163036 // PACKETSTORM: 163043 // PACKETSTORM: 163047 // NVD: CVE-2020-24512

CREDITS

Red Hat

Trust: 0.8

sources: PACKETSTORM: 163924 // PACKETSTORM: 163954 // PACKETSTORM: 163758 // PACKETSTORM: 163772 // PACKETSTORM: 163031 // PACKETSTORM: 163036 // PACKETSTORM: 163043 // PACKETSTORM: 163047

SOURCES

db:VULHUBid:VHN-178398
db:VULMONid:CVE-2020-24512
db:PACKETSTORMid:163924
db:PACKETSTORMid:163954
db:PACKETSTORMid:163758
db:PACKETSTORMid:163772
db:PACKETSTORMid:163031
db:PACKETSTORMid:163036
db:PACKETSTORMid:163043
db:PACKETSTORMid:163047
db:NVDid:CVE-2020-24512

LAST UPDATE DATE

2025-04-29T23:40:27.609000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-178398date:2021-09-09T00:00:00
db:VULMONid:CVE-2020-24512date:2021-08-10T00:00:00
db:NVDid:CVE-2020-24512date:2021-09-09T12:56:22.933

SOURCES RELEASE DATE

db:VULHUBid:VHN-178398date:2021-06-09T00:00:00
db:VULMONid:CVE-2020-24512date:2021-06-09T00:00:00
db:PACKETSTORMid:163924date:2021-08-27T19:22:22
db:PACKETSTORMid:163954date:2021-08-31T15:43:48
db:PACKETSTORMid:163758date:2021-08-09T14:15:45
db:PACKETSTORMid:163772date:2021-08-10T14:49:53
db:PACKETSTORMid:163031date:2021-06-09T13:26:32
db:PACKETSTORMid:163036date:2021-06-09T13:28:02
db:PACKETSTORMid:163043date:2021-06-09T13:40:40
db:PACKETSTORMid:163047date:2021-06-09T13:42:12
db:NVDid:CVE-2020-24512date:2021-06-09T19:15:08.930