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HistoryMay 18, 2021 - 5:41 a.m.

(RHSA-2021:1627) Moderate: trousers security, bug fix, and enhancement update


0.001 Low




TrouSerS is an implementation of the Trusted Computing Group’s Software Stack (TSS) specification. TrouSerS enables the user to write applications that make use of the Trusted Platform Module (TPM) hardware.

The following packages have been upgraded to a later upstream version: trousers (0.3.15). (BZ#1725782)

Security Fix(es):

  • trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root (CVE-2020-24331)

  • trousers: tss user can be used to create or corrupt existing files, this could lead to DoS (CVE-2020-24332)

  • trousers: fails to drop the root gid privilege when no longer needed (CVE-2020-24330)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.