- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202107-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: TCG TPM2 Software Stack: Information disclosure Date: July 07, 2021 Bugs: #746563 ID: 202107-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A bug in TCG TPM2 Software Stack may result in information disclosure to a local attacker. Background ========= TCG TPM2 Software Stack is a library to interface with trusted platform modules. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/tpm2-tss < 2.4.3 >= 2.4.3 Description ========== TCG TPM2 Software Stack did not appropriately apply FAPI policies to protect data encrypted with the trusted platform module. Impact ===== Data encrypted using TCG TPM2 Software Stack (tpm2-tss) may not be protected from an attacker. Workaround ========= There is no known workaround at this time. Resolution ========= All tpm2-tss users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/tpm2-tss-2.4.3" References ========= [ 1 ] CVE-2020-24455 https://nvd.nist.gov/vuln/detail/CVE-2020-24455 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202107-10 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5