CVE catalog

CVE-2020-24455

tpm2-tss: CVE-2020-24455

Severity: Medium · CVSS 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Published: Feb 26, 2021, 3:15:12 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.58% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	tpm2-tss	sid	`4.2.0-2`	fixed
Debian	tpm2-tss	forky	`4.2.0-2`	fixed
Debian	tpm2-tss	trixie	`4.1.3-1.2`	fixed
Debian	tpm2-tss	bookworm	`3.2.1-3`	fixed
Opensuse	tpm2-0-tss	tumbleweed	`3.1.0-1.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	tpm2-tss	source	sid	`3.0.1-1`	not yet assigned	Not reported	Not reported
Debian	tpm2-tss	source	forky	`3.0.1-1`	not yet assigned	Not reported	Not reported
Debian	tpm2-tss	source	trixie	`3.0.1-1`	not yet assigned	Not reported	Not reported
Debian	tpm2-tss	source	bookworm	`3.0.1-1`	not yet assigned	Not reported	Not reported
Opensuse	tpm2-0-tss	rpm	tumbleweed	`3.1.0-1.2`	Not reported	OPENSUSE-SU-2024:11470-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[libtss2-esys0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-esys0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-fapi1]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-fapi1-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-fapi-common]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-mu0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-mu0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-policy0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-policy0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-rc0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-rc0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-sys1]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-sys1-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tcti-cmd0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tcti-cmd0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tcti-device0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tcti-device0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tcti-i2c-helper0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tctildr0]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed
[libtss2-tctildr0-32bit]Unknown
Source package: [tpm2-0-tss]
Details (1)
- 4.1.3-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 3.1.0-1.2
  Version impact unknown
  dsa · tpm2-0-tss · opensuse · tumbleweed

Next results

Observed: Oct 23, 2026, 5:49:10 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]