Summary
[5.14.0-284.30.1.el9_2]
- x86/microcode/intel: Expose collect_cpu_info_early() for IFS
- x86/cpu: Load microcode during restore_processor_state()
- x86/microcode: Rip out the OLD_INTERFACE
- x86/microcode: Default-disable late loading
- x86/microcode: Taint and warn on late loading
- x86/microcode: Remove unnecessary perf callback
- x86/microcode: Print previous version of microcode after reload
- x86/microcode: Rip out the subsys interface gunk
- x86/microcode: Simplify init path even more
- x86/microcode/AMD: Rename a couple of functions {CVE-2023-20593}
- x86/microcode: Add a parameter to microcode_check() to store CPU capabilities {CVE-2023-20593}
- x86/microcode: Check CPU capabilities after late microcode update correctly {CVE-2023-20593}
- x86/microcode: Adjust late loading result reporting message {CVE-2023-20593}
- x86/amd: Cache debug register values in percpu variables {CVE-2023-20593}
- x86/microcode: Remove ->request_microcode_user()
- x86/microcode: Kill refresh_fw
- x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter {CVE-2023-20593}
- x86/microcode: Drop struct ucode_cpu_info.valid
- x86/microcode/AMD: Add a @cpu parameter to the reloading functions {CVE-2023-20593}
- x86/microcode/AMD: Track patch allocation size explicitly
- x86/microcode/AMD: Fix mixed steppings support {CVE-2023-20593}
- x86/microcode/core: Return an error only when necessary {CVE-2023-20593}
- x86/apic: Don't disable x2APIC if locked
- x86/cpu/amd: Move the errata checking functionality up {CVE-2023-20593}
- x86/cpu: Remove redundant extern x86_read_arch_cap_msr()
- x86/cpu, kvm: Add support for CPUID_80000021_EAX
- KVM: x86: Advertise that the SMM_CTL MSR is not supported
- KVM: x86: Move open-coded CPUID leaf 0x80000021 EAX bit propagation code
- x86/cpu, kvm: Add the NO_NESTED_DATA_BP feature
- x86/bugs: Make sure MSR_SPEC_CTRL is updated properly upon resume from S3
- x86/cpu: Support AMD Automatic IBRS
- x86/CPU/AMD: Make sure EFER[AIBRSE] is set
- x86/cpu/amd: Add a Zenbleed fix {CVE-2023-20593}
Fixed packages 27
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | bpftool | 0:7.0.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-abi-stablelists | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-core | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-cross-headers | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-core | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-devel | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-devel-matched | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-modules | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-modules-core | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-modules-extra | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-debug-uki-virt | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-devel | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-devel-matched | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-doc | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-headers | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-modules | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-modules-core | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-modules-extra | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-tools | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-tools-libs | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-tools-libs-devel | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | kernel-uki-virt | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | perf | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | python3-perf | 0:5.14.0-284.30.1.el9_2 |
| Oracle Linux · 9 | rtla | 0:5.14.0-284.30.1.el9_2 |
Vulnerabilities 2
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High 7.8
Use-after-free in Linux kernel's netfilter: nf_tables component
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerabil…
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Unscored —CVE-2023-20593 Public exploit
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access …