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CVE-2022-23645

Status Candidate

Overview

swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpm's state, where the blobheader's hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds.

Related Files

Red Hat Security Advisory 2022-8100-01
Posted Nov 15, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-8100-01 - SWTPM is a TPM emulator built on libtpms providing TPM functionality for QEMU VMs.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-23645
SHA-256 | 0bf2ec16f7b64d8ee9b4c34227522989c39cae13fa7f85865105966b0239d198
Download | Favorite | View
Red Hat Security Advisory 2022-7472-01
Posted Nov 8, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7472-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include buffer overflow and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3507, CVE-2022-0897, CVE-2022-2211, CVE-2022-23645
SHA-256 | 3a33326e513ebc4a8d3e617e75cb5bafc4c26d9dfe9e1d63479e4cd44d559a27
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