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kernel: partial ASLR bypass through TLS base addresses leak

🗓️ 19 Nov 2015 06:24:06Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

A local unprivileged user can leak the user space TLS base address during context switches in the Linux kernel.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC		Vulnerabilities of the Ubuntu operating system that allow a remote attacker to compromise the confidentiality, integrity, and accessibility of protected information
6 Jul 201600:00
–bdu_fstec
Tenable Nessus		CentOS 6 : kernel (CESA-2015:1081)
11 Jun 201500:00
–nessus
Tenable Nessus		CentOS 7 : kernel (CESA-2015:2152)
2 Dec 201500:00
–nessus
Tenable Nessus		Debian DLA-155-1 : linux-2.6 security update
26 Mar 201500:00
–nessus
Tenable Nessus		Debian DSA-3128-1 : linux - security update
16 Jan 201500:00
–nessus
Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1483)
13 May 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1508)
21 May 201900:00
–nessus
Tenable Nessus		F5 Networks BIG-IP : Linux kernel vulnerability (SOL17551)
9 Nov 201500:00
–nessus
Tenable Nessus		Fedora 20 : kernel-3.17.8-200.fc20 (2015-0515)
13 Jan 201500:00
–nessus
Tenable Nessus		Fedora 21 : kernel-3.17.8-300.fc21 (2015-0517)
12 Jan 201500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt0:3.10.0-327.rt56.204.el7kernel-rt-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug0:3.10.0-327.rt56.204.el7kernel-rt-debug-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo0:3.10.0-327.rt56.204.el7kernel-rt-debug-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel0:3.10.0-327.rt56.204.el7kernel-rt-debug-devel-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo0:3.10.0-327.rt56.204.el7kernel-rt-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_640:3.10.0-327.rt56.204.el7kernel-rt-debuginfo-common-x86_64-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel0:3.10.0-327.rt56.204.el7kernel-rt-devel-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-rt-doc0:3.10.0-327.rt56.204.el7.noarchkernel-rt-doc-0:3.10.0-327.rt56.204.el7.noarch.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace0:3.10.0-327.rt56.204.el7kernel-rt-trace-0:3.10.0-327.rt56.204.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo0:3.10.0-327.rt56.204.el7kernel-rt-trace-debuginfo-0:3.10.0-327.rt56.204.el7.x86_64.rpm
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28 Jun 2026 12:10Current
6.8Medium risk
Vulners AI Score6.8
CVSS 22.1
EPSS0.00436
CWE-200
Linux kernelcontext switchtls base addressinformation leakunprivileged useraddress space layout
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