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kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS

🗓️ 05 Nov 2019 20:56:57Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Missing size check in __usb_get_extra_descriptor() enables crafted descriptors to cause privilege escalation or DoS.

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Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2019-1145)
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Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2019-1145)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64bpftool0:4.18.0-147.el8bpftool-0:4.18.0-147.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool0:4.18.0-147.el8bpftool-0:4.18.0-147.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool0:4.18.0-147.el8bpftool-0:4.18.0-147.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool0:4.18.0-147.el8bpftool-0:4.18.0-147.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64bpftool-debuginfo0:4.18.0-147.el8bpftool-debuginfo-0:4.18.0-147.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool-debuginfo0:4.18.0-147.el8bpftool-debuginfo-0:4.18.0-147.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool-debuginfo0:4.18.0-147.el8bpftool-debuginfo-0:4.18.0-147.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool-debuginfo0:4.18.0-147.el8bpftool-debuginfo-0:4.18.0-147.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64kernel0:4.18.0-147.el8kernel-0:4.18.0-147.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lekernel0:4.18.0-147.el8kernel-0:4.18.0-147.el8.ppc64le.rpm
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28 Jun 2026 08:44Current
7.1High risk
Vulners AI Score7.1
CVSS 3.16.8
CVSS 27.2
EPSS0.00586
CWE-787
linux kerneluniversal serial busextra descriptorsize checkprivilege escalationdenial of service
3