Bug 51733 - intel-microcode: Multiple issues (4.4)
intel-microcode: Multiple issues (4.4)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 4.4
All Linux
: P3 normal (vote)
: UCS 4.4-5-errata
Assigned To: Quality Assurance
Philipp Hahn
:
Depends on:
Blocks:
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Reported: 2020-07-27 06:48 CEST by Philipp Hahn
Modified: 2020-07-29 16:50 CEST (History)
0 users

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Max CVSS v3 score: 6.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)


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Description Philipp Hahn univentionstaff 2020-07-27 06:48:47 CEST
New Debian intel-microcode 3.20200616.1~deb9u1 fixes:
This update addresses the following issue:
* Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
Comment 1 Quality Assurance univentionstaff 2020-07-27 07:44:44 CEST
--- mirror/ftp/4.4/unmaintained/4.4-5/source/intel-microcode_3.20200609.2~deb9u1.dsc
+++ apt/ucs_4.4-0-errata4.4-5/source/intel-microcode_3.20200616.1~deb9u1.dsc
@@ -1,3 +1,18 @@
+3.20200616.1~deb9u1 [Sun, 05 Jul 2020 15:26:41 -0300] Henrique de Moraes Holschuh <hmh@debian.org>:
+
+  * Rebuild for Debian oldstable (stretch), no changes
+
+3.20200616.1 [Sun, 28 Jun 2020 18:38:57 -0300] Henrique de Moraes Holschuh <hmh@debian.org>:
+
+  * New upstream microcode datafile 20200616
+    + Downgraded microcodes (to a previously shipped revision):
+      sig 0x000406e3, pf_mask 0xc0, 2019-10-03, rev 0x00d6, size 101376
+      sig 0x000506e3, pf_mask 0x36, 2019-10-03, rev 0x00d6, size 101376
+  * Works around hangs on boot on Skylake-U/Y and Skylake Xeon E3,
+    https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues/31
+  * This update *removes* the SRBDS mitigations from the above processors
+  * Note that Debian had already downgraded 0x406e3 in release 3.20200609.2
+
 3.20200609.2~deb9u1 [Thu, 11 Jun 2020 09:29:13 -0300] Henrique de Moraes Holschuh <hmh@debian.org>:
 
   * Rebuild for stretch-security, no changes

<http://10.200.17.11/4.4-5/#4446507348558188504>
Comment 2 Philipp Hahn univentionstaff 2020-07-27 11:22:52 CEST
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.4-5] e3313f03ff Bug #51733: intel-microcode_3.20200616.1~deb9u1
 doc/errata/staging/intel-microcode.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)