drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in microcode_ctl
Name: |
Mehrere Probleme in microcode_ctl |
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ID: |
RHSA-2020:2432-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 10. Juni 2020, 07:23 |
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Referenzen: |
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-2020-0543
https://access.redhat.com/solutions/5142751
https://access.redhat.com/solutions/5142691 |
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Applikationen: |
intel-microcode |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: microcode_ctl security, bug fix and enhancement update Advisory ID: RHSA-2020:2432-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2432 Issue date: 2020-06-09 CVE Names: CVE-2020-0543 CVE-2020-0548 CVE-2020-0549 =====================================================================
1. Summary:
Updated microcode_ctl packages that fix several security bugs and add various enhancements are now available.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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:
Security Fix(es):
* hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
* hw: L1D Cache Eviction Sampling (CVE-2020-0549)
* hw: Vector Register Data Sampling (CVE-2020-0548)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Update Intel CPU microcode to microcode-20200602 release, addresses: - Update of 06-2d-06/0x6d (SNB-E/EN/EP C1/M0) microcode from revision 0x61f up to 0x621; - Update of 06-2d-07/0x6d (SNB-E/EN/EP C2/M1) microcode from revision 0x718 up to 0x71a; - Update of 06-3c-03/0x32 (HSW C0) microcode from revision 0x27 up to 0x28; - Update of 06-3d-04/0xc0 (BDW-U/Y E0/F0) microcode from revision 0x2e up to 0x2f; - Update of 06-45-01/0x72 (HSW-U C0/D0) microcode from revision 0x25 up to 0x26; - Update of 06-46-01/0x32 (HSW-H C0) microcode from revision 0x1b up to 0x1c; - Update of 06-47-01/0x22 (BDW-H/Xeon E3 E0/G0) microcode from revision 0x21 up to 0x22; - Update of 06-4e-03/0xc0 (SKL-U/Y D0) microcode from revision 0xd6 up to 0xdc; - Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000151 up to 0x1000157; - Update of 06-55-04/0xb7 (SKX-SP H0/M0/U0, SKX-D M1) microcode (in intel-06-55-04/intel-ucode/06-55-04) from revision 0x2000065 up to 0x2006906; - Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x400002c up to 0x4002f01; - Update of 06-55-07/0xbf (CLX-SP B1) microcode from revision 0x500002c up to 0x5002f01; - Update of 06-5e-03/0x36 (SKL-H/S R0/N0) microcode from revision 0xd6 up to 0xdc; - Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x46 up to 0x78; - Update of 06-8e-09/0x10 (AML-Y22 H0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-09/0xc0 (KBL-U/Y H0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0a/0xc0 (CFL-U43e D0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0b/0xd0 (WHL-U W0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0c/0x94 (AML-Y42 V0, CML-Y42 V0, WHL-U V0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E3 U0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0b/0x02 (CFL-S B0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0c/0x22 (CFL-H/S P0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0d/0x22 (CFL-H R0) microcode from revision 0xca up to 0xd6. - - Change the URL in the intel-microcode2ucode.8 to point to the GitHub repository since the microcode download section at Intel Download Center does not exist anymore.
* Narrow down SKL-SP/W/X blacklist to exclude Server/FPGA/Fabric segment models.
* Re-generate initramfs not only for the currently running kernel, but for several recently installed kernels as well.
* Avoid find being SIGPIPE'd on early "grep -q" exit in the dracut script.
* Update stale posttrans dependency, add triggers for proper handling of the debug kernel flavour along with kernel-rt.
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)
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: microcode_ctl-2.1-61.6.el7_8.src.rpm
x86_64: microcode_ctl-2.1-61.6.el7_8.x86_64.rpm microcode_ctl-debuginfo-2.1-61.6.el7_8.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: microcode_ctl-2.1-61.6.el7_8.src.rpm
x86_64: microcode_ctl-2.1-61.6.el7_8.x86_64.rpm microcode_ctl-debuginfo-2.1-61.6.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: microcode_ctl-2.1-61.6.el7_8.src.rpm
x86_64: microcode_ctl-2.1-61.6.el7_8.x86_64.rpm microcode_ctl-debuginfo-2.1-61.6.el7_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: microcode_ctl-2.1-61.6.el7_8.src.rpm
x86_64: microcode_ctl-2.1-61.6.el7_8.x86_64.rpm microcode_ctl-debuginfo-2.1-61.6.el7_8.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/updates/classification/#moderate https://access.redhat.com/solutions/5142751 https://access.redhat.com/solutions/5142691
8. 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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