Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tpm2 Software Stack Project | Tpm2 Software Stack | < 2.4.3 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1902167Issue TrackingPatchThird Party Advisory
- https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3Release NotesThird Party Advisory
- https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1Release NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-10Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1902167Issue TrackingPatchThird Party Advisory
- https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3Release NotesThird Party Advisory
- https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1Release NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-10Third Party Advisory
FAQ
What is CVE-2020-24455?
CVE-2020-24455 is a vulnerability with a CVSS score of 6.7 (MEDIUM). 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...
How severe is CVE-2020-24455?
CVE-2020-24455 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-24455?
Check the references section above for vendor advisories and patch information. Affected products include: Tpm2 Software Stack Project Tpm2 Software Stack, Fedoraproject Fedora.