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Kernel: filter: prevent nla extensions to peek beyond the end of the message

🗓️ 24 Jun 2014 15:58:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

Kernel BPF over-read enables crash from crafted instructions; fix moved to __skb_get_nlattr_nest.

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Refs
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FreeBSD		cURL -- multiple vulnerabilities
22 Apr 201500:00
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BDU FSTEC		The vulnerability of the Linux operating system, which allows a malicious individual to trigger a service failure
5 Jul 201600:00
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
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Tenable Nessus		CentOS 6 : kernel (CESA-2014:0981)
1 Aug 201400:00
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Tenable Nessus		Debian DSA-2949-1 : linux - security update
6 Jun 201400:00
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Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1479)
13 May 201900:00
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Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1486)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64kernel0:3.10.0-123.4.2.el7kernel-0:3.10.0-123.4.2.el7.ppc64.rpm
Red Hat Enterprise Linux7s390xkernel0:3.10.0-123.4.2.el7kernel-0:3.10.0-123.4.2.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64kernel0:3.10.0-123.4.2.el7kernel-0:3.10.0-123.4.2.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-abi-whitelists0:3.10.0-123.4.2.el7kernel-abi-whitelists-0:3.10.0-123.4.2.el7.noarch.rpm
Red Hat Enterprise Linux7ppc64kernel-bootwrapper0:3.10.0-123.4.2.el7kernel-bootwrapper-0:3.10.0-123.4.2.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64kernel-debug0:3.10.0-123.4.2.el7kernel-debug-0:3.10.0-123.4.2.el7.ppc64.rpm
Red Hat Enterprise Linux7s390xkernel-debug0:3.10.0-123.4.2.el7kernel-debug-0:3.10.0-123.4.2.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64kernel-debug0:3.10.0-123.4.2.el7kernel-debug-0:3.10.0-123.4.2.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64kernel-debug-debuginfo0:3.10.0-123.4.2.el7kernel-debug-debuginfo-0:3.10.0-123.4.2.el7.ppc64.rpm
Red Hat Enterprise Linux7s390xkernel-debug-debuginfo0:3.10.0-123.4.2.el7kernel-debug-debuginfo-0:3.10.0-123.4.2.el7.s390x.rpm
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CVSS 24.9
EPSS0.00649
kernelbpf extensionover readcrashnlattr nestskb nlattr nest
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