Missing Initialization of Resource The advisory has been revoked - it doesn't affect any version of package tpm2-tss (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-TPM2TSS-1054523
- published25 Dec 2020
- disclosed26 Feb 2021
Introduced: 25 Dec 2020
CVE-2020-24455 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tpm2-tss package and not the tpm2-tss package as distributed by Debian.
Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.
References
- https://security-tracker.debian.org/tracker/CVE-2020-24455
- https://bugzilla.redhat.com/show_bug.cgi?id=1902167
- https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3
- https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/
- https://security.gentoo.org/glsa/202107-10