Recommended update for tboot
| Announcement ID: | SUSE-SU-2017:3090-1 |
| Rating: | moderate |
| References: | #1057555 #1068390 |
| Affected Products: |
An update that solves one vulnerability and has one errata is now available.
Description:
This update for tboot fixes the following issues:
Security issue fixed:
- CVE-2017-16837: Certain function pointers in Trusted Boot (tboot)
through 1.9.6 are notvalidated and can cause arbitrary code execution,
which allows local users tooverwrite dynamic PCRs of Trusted Platform
Module (TPM) by h (bsc#1068390)
Bug fixes:
- Fixed failed trusted boot on some systems like Intel Xeon "Purley 8s"
processors. The following error message showed: "TBOOT: wait-for-sipi
loop timed-out". Booting continued but "TXT measured launch" was wrongly
reported as FALSE. (bsc#1057555)
Patch Instructions:
To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Server 12-SP3:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2017-1901=1 - SUSE Linux Enterprise Server 12-SP2:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1901=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Server 12-SP3 (x86_64):
- tboot-20160518_1.9.4-7.5.1
- tboot-debuginfo-20160518_1.9.4-7.5.1
- tboot-debugsource-20160518_1.9.4-7.5.1
- SUSE Linux Enterprise Server 12-SP2 (x86_64):
- tboot-20160518_1.9.4-7.5.1
- tboot-debuginfo-20160518_1.9.4-7.5.1
- tboot-debugsource-20160518_1.9.4-7.5.1