OESA-2022-1695

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OESA-2022-1695

Summary: libtpms security update

Details: A library providing TPM functionality for VMs. Targeted for integration into Qemu. Security Fix(es): A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6.(CVE-2021-3746) A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.(CVE-2021-3623)

References: https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1695, https://nvd.nist.gov/vuln/detail/CVE-2021-3746, https://nvd.nist.gov/vuln/detail/CVE-2021-3623