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kernel: oob memory read in hso_probe in drivers/net/usb/hso.c

🗓️ 05 Nov 2019 20:44:12Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Linux kernel hso_probe() uses USB if_num without length check, causing out-of-bounds read and DoS.

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Tenable Nessus		CentOS 8 : kernel (CESA-2019:3517)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64kernel-rt0:4.18.0-147.rt24.93.el8kernel-rt-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-core0:4.18.0-147.rt24.93.el8kernel-rt-core-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug0:4.18.0-147.rt24.93.el8kernel-rt-debug-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-core0:4.18.0-147.rt24.93.el8kernel-rt-debug-core-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-debuginfo0:4.18.0-147.rt24.93.el8kernel-rt-debug-debuginfo-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-devel0:4.18.0-147.rt24.93.el8kernel-rt-debug-devel-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-kvm0:4.18.0-147.rt24.93.el8kernel-rt-debug-kvm-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-kvm-debuginfo0:4.18.0-147.rt24.93.el8kernel-rt-debug-kvm-debuginfo-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules0:4.18.0-147.rt24.93.el8kernel-rt-debug-modules-0:4.18.0-147.rt24.93.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules-extra0:4.18.0-147.rt24.93.el8kernel-rt-debug-modules-extra-0:4.18.0-147.rt24.93.el8.x86_64.rpm
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28 Jun 2026 09:05Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 34.6
EPSS0.00961
CWE-125
kernelhso probeout of bounds readusb devicedenial of serviceforged usb device
2