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kernel: Spectre v2 SMT mitigations problem

🗓️ 01 Aug 2023 09:08:49Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Linux kernel fails to protect against Spectre v2 with prctl, exposing victims to same core hyperthread attacks.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
0day.today		Linux Kernel 6.2 - Userspace Processes To Enable Mitigation Exploit
20 Apr 202300:00
–zdt
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Linux Kernel might affect IBM Spectrum Copy Data Management
12 Jan 202416:32
–ibm
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-138)
23 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2023-1987 (ALAS-2023-1987)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-028 (ALASKERNEL-5.10-2023-028)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-015 (ALASKERNEL-5.15-2023-015)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-043 (ALASKERNEL-5.4-2023-043)
22 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2023-1701)
22 Mar 202300:00
–nessus
Tenable Nessus		CentOS 9 : kernel-5.14.0-350.el9
29 Feb 202400:00
–nessus
Tenable Nessus		Debian dla-3403 : hyperv-daemons - security update
17 May 202300:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9x86_64kernel-rt0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-core0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-core-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-core0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-core-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-debuginfo0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-debuginfo-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-devel0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-devel-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-kvm0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-kvm-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-modules0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-modules-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-modules-core0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-modules-core-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
Red Hat Enterprise Linux9x86_64kernel-rt-debug-modules-extra0:5.14.0-284.25.1.rt14.310.el9_2kernel-rt-debug-modules-extra-0:5.14.0-284.25.1.rt14.310.el9_2.x86_64.rpm
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28 Jun 2026 12:40Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.6
EPSS0.01377
SSVC
CWE-653
linux kernelspectre version twosame core hyperthreadprocess protection
6