Test ID:	1.3.6.1.4.1.25623.1.1.12.2024.6797.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-6797-1)
Summary:	The remote host is missing an update for the 'intel-microcode' package(s) announced via the USN-6797-1 advisory.
Description:	Summary: The remote host is missing an update for the 'intel-microcode' package(s) announced via the USN-6797-1 advisory. Vulnerability Insight: It was discovered that some 3rd and 4th Generation Intel(r) Xeon(r) Processors did not properly restrict access to certain hardware features when using Intel(r) SGX or Intel(r) TDX. This may allow a privileged local user to potentially further escalate their privileges on the system. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-22655) It was discovered that some Intel(r) Atom(r) Processors did not properly clear register state when performing various operations. A local attacker could use this to obtain sensitive information via a transient execution attack. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-28746) It was discovered that some Intel(r) Processors did not properly clear the state of various hardware structures when switching execution contexts. A local attacker could use this to access privileged information. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-38575) It was discovered that some Intel(r) Processors did not properly enforce bus lock regulator protections. A remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-39368) It was discovered that some Intel(r) Xeon(r) D Processors did not properly calculate the SGX base key when using Intel(r) SGX. A privileged local attacker could use this to obtain sensitive information. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-43490) It was discovered that some Intel(r) Processors did not properly protect against concurrent accesses. A local attacker could use this to obtain sensitive information. (CVE-2023-45733) It was discovered that some Intel(r) Processors TDX module software did not properly validate input. A privileged local attacker could use this information to potentially further escalate their privileges on the system. (CVE-2023-45745, CVE-2023-47855) It was discovered that some Intel(r) Core(tm) Ultra processors did not properly handle particular instruction sequences. A local attacker could use this issue to cause a denial of service. (CVE-2023-46103) Affected Software/OS: 'intel-microcode' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.10, Ubuntu 24.04. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2023-22655 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00960.html https://lists.debian.org/debian-lts-announce/2024/05/msg00003.html Common Vulnerability Exposure (CVE) ID: CVE-2023-28746 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIUICU6CVJUIB6BPJ7P5QTPQR5VOBHFK/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZON4TLXG7TG4A2XZG563JMVTGQW4SF3A/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H63LGAQXPEVJOES73U4XK65I6DASOAAG/ https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html http://www.openwall.com/lists/oss-security/2024/03/12/13 Common Vulnerability Exposure (CVE) ID: CVE-2023-38575 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00982.html Common Vulnerability Exposure (CVE) ID: CVE-2023-39368 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00972.html Common Vulnerability Exposure (CVE) ID: CVE-2023-43490 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01045.html Common Vulnerability Exposure (CVE) ID: CVE-2023-45733 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01051.html Common Vulnerability Exposure (CVE) ID: CVE-2023-45745 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01036.html Common Vulnerability Exposure (CVE) ID: CVE-2023-46103 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01052.html Common Vulnerability Exposure (CVE) ID: CVE-2023-47855
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