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Kernel: FPU state information leakage via lazy FPU restore

🗓️ 19 Jun 2018 13:18:54Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

Kernel FPU state leakage from lazy restore enables unprivileged users to read FPU state via cache.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM API Connect has addressed multiple vulnerabilities in Developer Portal's dependencies - Cumulative list from June 28, 2018 to December 13, 2018
28 Jan 201917:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to Using Components with Known Vulnerabilities
3 Dec 201814:30
–ibm
FreeBSD		FreeBSD -- Lazy FPU State Restore Information Disclosure
21 Jun 201800:00
–freebsd
Tenable Nessus		macOS 10.13.x < 10.13.6 Multiple Vulnerabilities
10 Apr 201900:00
–nessus
Tenable Nessus		CentOS 7 : kernel (CESA-2018:1852)
18 Jun 201800:00
–nessus
Tenable Nessus		CentOS 6 : kernel (CESA-2018:2164) (Spectre)
16 Jul 201800:00
–nessus
Tenable Nessus		Citrix XenServer Information Disclosure Vulnerability (CTX235225)
28 Jun 201800:00
–nessus
Tenable Nessus		Debian DLA-1422-2 : linux security update (Spectre)
16 Jul 201800:00
–nessus
Tenable Nessus		Debian DSA-4232-1 : xen - security update
21 Jun 201800:00
–nessus
Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1514)
13 May 201900:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt0:3.10.0-862.3.3.rt56.809.el7kernel-rt-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debug-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debug-debuginfo-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debug-devel-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debug-kvm-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm-debuginfo0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debug-kvm-debuginfo-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo0:3.10.0-862.3.3.rt56.809.el7kernel-rt-debuginfo-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_640:3.10.0-862.3.3.rt56.809.el7kernel-rt-debuginfo-common-x86_64-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel0:3.10.0-862.3.3.rt56.809.el7kernel-rt-devel-0:3.10.0-862.3.3.rt56.809.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-rt-doc0:3.10.0-862.3.3.rt56.809.el7kernel-rt-doc-0:3.10.0-862.3.3.rt56.809.el7.noarch.rpm
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21 Nov 2025 18:05Current
7High risk
Vulners AI Score7
CVSS 24.7
CVSS 3.15.6
EPSS0.00611
CWE-200
FPU state leakagelazy restorekernel vulnerabilitycache side-channellocal attacker
1