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kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c

🗓️ 21 Jul 2021 01:08:44Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Use-after-free in CIPSO IPv4 labeling in kernel enables local user to crash or escalate privileges.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt3.10.0-1160.36.2.rt56.1179.el7kernel-rt-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debug-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debug-debuginfo-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debug-devel-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debug-kvm-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm-debuginfo3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debug-kvm-debuginfo-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo3.10.0-1160.36.2.rt56.1179.el7kernel-rt-debuginfo-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_643.10.0-1160.36.2.rt56.1179.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel3.10.0-1160.36.2.rt56.1179.el7kernel-rt-devel-3.10.0-1160.36.2.rt56.1179.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-rt-doc3.10.0-1160.36.2.rt56.1179.el7kernel-rt-doc-3.10.0-1160.36.2.rt56.1179.el7.noarch.rpm
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13 Aug 2026 19:43Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.6
CVSS 3.17.8
EPSS0.00566
7