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kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route

🗓️ 16 Jan 2024 15:56:24Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Linux kernel net scheduling use-after-free in classifiers cls_fw, cls_u32, cls_route; vulnerabilities 2023-4206 to 4208; local user may crash.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64bpftool0:3.10.0-957.109.1.el7bpftool-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel0:3.10.0-957.109.1.el7kernel-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-abi-whitelists0:3.10.0-957.109.1.el7kernel-abi-whitelists-0:3.10.0-957.109.1.el7.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-debug0:3.10.0-957.109.1.el7kernel-debug-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debug-debuginfo0:3.10.0-957.109.1.el7kernel-debug-debuginfo-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debug-devel0:3.10.0-957.109.1.el7kernel-debug-devel-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debuginfo0:3.10.0-957.109.1.el7kernel-debuginfo-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-debuginfo-common-x86_640:3.10.0-957.109.1.el7kernel-debuginfo-common-x86_64-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-devel0:3.10.0-957.109.1.el7kernel-devel-0:3.10.0-957.109.1.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-doc0:3.10.0-957.109.1.el7kernel-doc-0:3.10.0-957.109.1.el7.noarch.rpm
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28 Jun 2026 12:41Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.8
EPSS0.00565
CWE-416
Linux kerneluse after freenet schedulingclassifiers cls_fwclassifiers cls_u32classifiers cls_routethree vulnerabilities
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