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3 vulnerabilities found for p5931b by intel

VAR-202106-0345

Vulnerability from variot - Updated: 2026-03-09 22:19

Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. 6 ELS) - i386, x86_64

  1. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Important: microcode_ctl security, bug fix and enhancement update Advisory ID: RHSA-2021:2301-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2301 Issue date: 2021-06-08 CVE Names: CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 CVE-2020-24513 ==================================================================== 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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux Server AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64

  1. Description:

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es):

  • 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 on some Intel Atom processors (CVE-2020-24513)

Bug Fix(es) and Enhancement(s):

  • Update Intel CPU microcode to microcode-20210525 release

  • 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

  1. Bugs fixed (https://bugzilla.redhat.com/):

1962650 - CVE-2020-24489 hw: vt-d related privilege escalation 1962666 - CVE-2020-24513 hw: information disclosure on some Intel Atom processors 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

  1. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.4):

Source: microcode_ctl-2.1-22.39.el7_4.src.rpm

x86_64: microcode_ctl-2.1-22.39.el7_4.x86_64.rpm microcode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.4):

Source: microcode_ctl-2.1-22.39.el7_4.src.rpm

x86_64: microcode_ctl-2.1-22.39.el7_4.x86_64.rpm microcode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.4):

Source: microcode_ctl-2.1-22.39.el7_4.src.rpm

x86_64: microcode_ctl-2.1-22.39.el7_4.x86_64.rpm microcode_ctl-debuginfo-2.1-22.39.el7_4.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/

  1. References:

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/cve/CVE-2020-24513 https://access.redhat.com/security/updates/classification/#important

  1. Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . ========================================================================= Ubuntu Security Notice USN-4985-1 June 09, 2021

intel-microcode vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 21.04
  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Intel Microcode. This may allow a local user to perform a privilege escalation attack. (CVE-2021-24489)

Joseph Nuzman discovered that some Intel processors may not properly apply EIBRS mitigations (originally developed for CVE-2017-5715) and hence may allow unauthorized memory reads via sidechannel attacks. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2020-24511)

Travis Downs discovered that some Intel processors did not properly flush cache-lines for trivial-data values. This may allow an unauthorized user to infer the presence of these trivial-data-cache-lines via timing sidechannel attacks. A local attacker could use this to expose sensitive information. (CVE-2020-24512)

It was discovered that certain Intel Atom processors could expose memory contents stored in microarchitectural buffers. A local attacker could use this to expose sensitive information. (CVE-2020-24513)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.04: intel-microcode 3.20210608.0ubuntu0.21.04.1

Ubuntu 20.10: intel-microcode 3.20210608.0ubuntu0.20.10.1

Ubuntu 20.04 LTS: intel-microcode 3.20210608.0ubuntu0.20.04.1

Ubuntu 18.04 LTS: intel-microcode 3.20210608.0ubuntu0.18.04.1

Ubuntu 16.04 ESM: intel-microcode 3.20210608.0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM: intel-microcode 3.20210608.0ubuntu0.14.04.1+esm1

After a standard system update you need to reboot your computer to make all the necessary changes

Show details on source website
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    "data": "Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. 6 ELS) - i386, x86_64\n\n3. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Important: microcode_ctl security, bug fix and enhancement update\nAdvisory ID:       RHSA-2021:2301-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2021:2301\nIssue date:        2021-06-08\nCVE Names:         CVE-2020-24489 CVE-2020-24511 CVE-2020-24512\n                   CVE-2020-24513\n====================================================================\n1. Summary:\n\nAn update for microcode_ctl is now available for Red Hat Enterprise Linux\n7. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux Server AUS (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server E4S (v. 7.4) - x86_64\nRed Hat Enterprise Linux Server TUS (v. 7.4) - x86_64\n\n3. Description:\n\nThe microcode_ctl packages provide microcode updates for Intel. \n\nSecurity Fix(es):\n\n* hw: vt-d related privilege escalation (CVE-2020-24489)\n\n* hw: improper isolation of shared resources in some Intel Processors\n(CVE-2020-24511)\n\n* hw: observable timing discrepancy in some Intel Processors\n(CVE-2020-24512)\n\n* hw: information disclosure on some Intel Atom processors (CVE-2020-24513)\n\nBug Fix(es) and Enhancement(s):\n\n* Update Intel CPU microcode to microcode-20210525 release\n\n4. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1962650 - CVE-2020-24489 hw: vt-d related privilege escalation\n1962666 - CVE-2020-24513 hw: information disclosure on some Intel Atom processors\n1962702 - CVE-2020-24511 hw: improper isolation of shared resources in some Intel Processors\n1962722 - CVE-2020-24512 hw: observable timing discrepancy in some Intel Processors\n\n6. Package List:\n\nRed Hat Enterprise Linux Server AUS (v. 7.4):\n\nSource:\nmicrocode_ctl-2.1-22.39.el7_4.src.rpm\n\nx86_64:\nmicrocode_ctl-2.1-22.39.el7_4.x86_64.rpm\nmicrocode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm\n\nRed Hat Enterprise Linux Server E4S (v. 7.4):\n\nSource:\nmicrocode_ctl-2.1-22.39.el7_4.src.rpm\n\nx86_64:\nmicrocode_ctl-2.1-22.39.el7_4.x86_64.rpm\nmicrocode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm\n\nRed Hat Enterprise Linux Server TUS (v. 7.4):\n\nSource:\nmicrocode_ctl-2.1-22.39.el7_4.src.rpm\n\nx86_64:\nmicrocode_ctl-2.1-22.39.el7_4.x86_64.rpm\nmicrocode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2020-24489\nhttps://access.redhat.com/security/cve/CVE-2020-24511\nhttps://access.redhat.com/security/cve/CVE-2020-24512\nhttps://access.redhat.com/security/cve/CVE-2020-24513\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\n3CqP9OqPU7Q=cruI\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. =========================================================================\nUbuntu Security Notice USN-4985-1\nJune 09, 2021\n\nintel-microcode vulnerabilities\n=========================================================================\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 21.04\n- Ubuntu 20.10\n- Ubuntu 20.04 LTS\n- Ubuntu 18.04 LTS\n- Ubuntu 16.04 ESM\n- Ubuntu 14.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in Intel Microcode. This may allow a local user to perform a privilege escalation\nattack. (CVE-2021-24489)\n\nJoseph Nuzman discovered that some Intel processors may not properly apply\nEIBRS mitigations (originally developed for CVE-2017-5715) and hence may\nallow unauthorized memory reads via sidechannel attacks. A local attacker\ncould use this to expose sensitive information, including kernel\nmemory. (CVE-2020-24511)\n\nTravis Downs discovered that some Intel processors did not properly flush\ncache-lines for trivial-data values. This may allow an unauthorized user to\ninfer the presence of these trivial-data-cache-lines via timing sidechannel\nattacks. A local attacker could use this to expose sensitive\ninformation. (CVE-2020-24512)\n\nIt was discovered that certain Intel Atom processors could expose memory\ncontents stored in microarchitectural buffers. A local attacker could use\nthis to expose sensitive information. (CVE-2020-24513)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 21.04:\n  intel-microcode                 3.20210608.0ubuntu0.21.04.1\n\nUbuntu 20.10:\n  intel-microcode                 3.20210608.0ubuntu0.20.10.1\n\nUbuntu 20.04 LTS:\n  intel-microcode                 3.20210608.0ubuntu0.20.04.1\n\nUbuntu 18.04 LTS:\n  intel-microcode                 3.20210608.0ubuntu0.18.04.1\n\nUbuntu 16.04 ESM:\n  intel-microcode                 3.20210608.0ubuntu0.16.04.1+esm1\n\nUbuntu 14.04 ESM:\n  intel-microcode                 3.20210608.0ubuntu0.14.04.1+esm1\n\nAfter a standard system update you need to reboot your computer to make\nall the necessary changes",
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CVE-2020-24513 (GCVE-0-2020-24513)

Vulnerability from nvd – Published: 2021-06-09 18:54 – Updated: 2024-08-04 15:12
VLAI?
Summary
Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Severity ?
No CVSS data available.
CWE
  • information disclosure
Assigner
References
Impacted products
Vendor Product Version
n/a Intel Atom(R) Processors Affected: See references
Show details on NVD website
To clipboard 

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CVE-2020-24513 (GCVE-0-2020-24513)

Vulnerability from cvelistv5 – Published: 2021-06-09 18:54 – Updated: 2024-08-04 15:12
VLAI?
Summary
Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Severity ?
No CVSS data available.
CWE
  • information disclosure
Assigner
References
Impacted products
Vendor Product Version
n/a Intel Atom(R) Processors Affected: See references
Show details on NVD website
To clipboard 

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