TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00045.html
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00046.html
• http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00042.html
• http://packetstormsecurity.com/files/155375/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
• http://www.openwall.com/lists/oss-security/2019/12/10/3
• http://www.openwall.com/lists/oss-security/2019/12/10/4
• http://www.openwall.com/lists/oss-security/2019/12/11/1
• https://access.redhat.com/errata/RHSA-2019:3936
• https://access.redhat.com/errata/RHSA-2020:0026
• https://access.redhat.com/errata/RHSA-2020:0028

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