Debian Linux Security Advisory 4934-1 - This update ships updated CPU microcode for some types of Intel CPUs and provides mitigations for security vulnerabilities which could result in privilege escalation in combination with VT-d and various side channel attacks.
2333b3dca40ab7a756d37096ebf7a8e5e4f9fd7e2cb4a90a65fe71679e34f909Ubuntu Security Notice 4985-1 - It was discovered that some Intel processors may not properly invalidate cache entries used by Intel Virtualization Technology for Directed I/O. This may allow a local user to perform a privilege escalation attack. Joseph Nuzman discovered that some Intel processors may not properly apply EIBRS mitigations and hence may allow unauthorized memory reads via sidechannel attacks. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.
8bc31d621747539c46e5e1fd35acaab7eb6cb2b0e6fe103feb7507b9e86120c1Red Hat Security Advisory 2021-2303-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
0b01d9d5f52a2a4bcafa1f28a3ee7674546b112bd6fe69e665f8288fb523f966Red Hat Security Advisory 2021-2305-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
85d1e57cda35fc68e45aff9edc9dc42b210f4f176fb9181cc272f8bf55b62935Red Hat Security Advisory 2021-2304-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
a52f3b1657a3681e9d8a76629efcb1364d3c04bbf4b6b629aafa866d6c119175Red Hat Security Advisory 2021-2301-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
ebad9cdbc20fde20210d11834ade8c369747e30bd01a2eb7ad32d87c78250a15Red Hat Security Advisory 2021-2308-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
4ab14d6b8f1ff937a8c408b5d51ec51c77b35a43f155c92f4618b446e782784bRed Hat Security Advisory 2021-2307-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
f5fdd44279c87757f240ca81951c6f9804f2b2dc5ad1cfbc00a455e6a4275f7aRed Hat Security Advisory 2021-2306-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
f80d03c83dcc7f6ca9365323b53d4f8672bd24754a3b94e5f4f9c4e0d3ba4e96Red Hat Security Advisory 2021-2300-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
65e5e482143e2611d44635293e5c7acdaab8acaa64a99649477f16761546c819Red Hat Security Advisory 2021-2302-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
b2acdd0604b86d0d19d7dafcf2bc473f09b1e49ddc5c3d5db6c79e857aa6cd93Red Hat Security Advisory 2021-2299-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
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