Integer overflow

2020-06-0905:15:00

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High

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An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

CPENameOperatorVersion
ubuntu_linuxeq18.04
ubuntu_linuxeq14.04
ubuntu_linuxeq20.04
ubuntu_linuxeq16.04
debian_linuxeq9.0
linux_kernellt4.4.227
linux_kernelge4.5
linux_kernellt4.9.227
linux_kernelge4.10
linux_kernellt4.14.184

Name	Operator	Version
ubuntu_linux	eq	18.04
ubuntu_linux	eq	14.04
ubuntu_linux	eq	20.04
ubuntu_linux	eq	16.04
debian_linux	eq	9.0
linux_kernel	lt	4.4.227
linux_kernel	ge	4.5
linux_kernel	lt	4.9.227
linux_kernel	ge	4.10
linux_kernel	lt	4.14.184