| Name | CVE-2020-24455 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tpm2-tss (PTS) | bullseye | 3.0.3-2 | fixed |
| bookworm | 3.2.1-3 | fixed |
| sid, trixie | 4.1.3-1.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tpm2-tss | source | buster | (not affected) | | | |
| tpm2-tss | source | (unstable) | 3.0.1-1 | | | |
Notes
[buster] - tpm2-tss <not-affected> (Vulnerable code introduced later)
https://github.com/tpm2-software/tpm2-tss/commit/0cc5f0e12694f3780a8512fc37a7dbc542ea4330 (master)
https://github.com/tpm2-software/tpm2-tss/commit/9536b79cd5a13884a7e4de7a571f72530180c20b (3.0.1)
https://github.com/tpm2-software/tpm2-tss/commit/bf24b0ef0fa8de9300a323f70a097a1afd818439 (2.4.5)