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kernel: use after free in dccp protocol

🗓️ 01 Mar 2017 15:43:56Reported by RedHatType 
redhat
 redhat
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DCCP kernel use-after-free frees SKB for DCCP_PKT_REQUEST when IPV6_RECVPKTINFO is set, enabling privilege escalation.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6.5x86_64kernel0:2.6.32-431.78.1.el6kernel-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5anykernel-abi-whitelists0:2.6.32-431.78.1.el6.noarchkernel-abi-whitelists-0:2.6.32-431.78.1.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6.5x86_64kernel-debug0:2.6.32-431.78.1.el6kernel-debug-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5x86_64kernel-debug-debuginfo0:2.6.32-431.78.1.el6kernel-debug-debuginfo-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5x86_64kernel-debug-devel0:2.6.32-431.78.1.el6kernel-debug-devel-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5x86_64kernel-debuginfo0:2.6.32-431.78.1.el6kernel-debuginfo-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5x86_64kernel-debuginfo-common-x86_640:2.6.32-431.78.1.el6kernel-debuginfo-common-x86_64-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5x86_64kernel-devel0:2.6.32-431.78.1.el6kernel-devel-0:2.6.32-431.78.1.el6.x86_64.rpm
Red Hat Enterprise Linux6.5anykernel-doc0:2.6.32-431.78.1.el6.noarchkernel-doc-0:2.6.32-431.78.1.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6.5anykernel-firmware0:2.6.32-431.78.1.el6.noarchkernel-firmware-0:2.6.32-431.78.1.el6.noarch.noarch.rpm
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13 May 2026 01:08Current
7.1High risk
Vulners AI Score7.1
CVSS 27.2
CVSS 3.17.8
EPSS0.20044
0