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Low ALSA-2022:8100 1 CVE

Low: swtpm security and bug fix update

Published Nov 15, 2022 · Updated Oct 29, 2026

Summary

SWTPM is a TPM emulator built on libtpms providing TPM functionality for QEMU VMs.

Security Fix(es):

* swtpm: Unchecked header size indicator against expected size (CVE-2022-23645)

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 3

ReleasePackageFixed in
AlmaLinux · 9 swtpm 0.7.0-3.20211109gitb79fd91.el9
AlmaLinux · 9 swtpm-libs 0.7.0-3.20211109gitb79fd91.el9
AlmaLinux · 9 swtpm-tools 0.7.0-3.20211109gitb79fd91.el9

Vulnerabilities 1

  • Medium 6.2

    Out-of-bounds read in swtpm

    swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm's state, where the blobheader's hdrsize indicato…

References

  • report
    https://access.redhat.com/security/cve/CVE-2022-23645
  • report
    https://bugzilla.redhat.com/2056491
  • advisory
    https://errata.almalinux.org/9/ALSA-2022-8100.html