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    CVE-2021-3569

    A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.

    Published:May 23, 2020
    Last Modified:Nov 21, 2024
    EPS:Jun 3, 2021
    EPSS Score:0.00128
    CVSS Score:5.5

    Affected Products

    Vendor
    Libtpms Project
    Product
    Libtpms
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-21444 (CVSS 5.5) — libtpms, a library that provides software emulation of a Trusted Platform Module, has a flaw in versions 0.10.…
    CVE-2025-49133 (CVSS 5.9) — Libtpms is a library that targets the integration of TPM functionality into hypervisors, primarily into Qemu. …
    CVE-2021-3746 (CVSS 6.5) — A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulner…
    CVE-2021-3623 (CVSS 6.1) — A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing i…
    CVE-2021-3446 (CVSS 5.5) — A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL co…
    CVE-2021-3505 (CVSS 5.5) — A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~198…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High