K58729485: Linux kernel vulnerability CVE-2018-14656

Security Advisory Description A missing address check in the callers of the showopcodes in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log. CVE-2018-14656 Impact There is no impact; F5 products are not affected by this vulnerability...

The vulnerability of the `show_opcodes` function in the Linux operating system’s kernel allows a hacker to disclose protected information.

The vulnerability of the showopcodes function in the Linux operating system’s kernel is caused by errors in the input data validation process. Exploiting this vulnerability can allow an attacker to gain access to the protected information stored in the kernel...

Linux 4.18 - Arbitrary Kernel Read into dmesg via Missing Address Check in segfault Handler

Exploit for linux platform in category dos / poc There is a missing address check in both showopcodes callers. showopcodes is mostly used by the kernel to print the raw instruction bytes surrounding an instruction that generated an unexpected exception; however, sometimes it is also used to print...

Linux 4.18 - Arbitrary Kernel Read into dmesg via Missing Address Check in segfault Handler

Linux 4.18 - Arbitrary Kernel Read into dmesg via Missing Address Check in segfault Handler There is a missing address check in both showopcodes callers. showopcodes is mostly used by the kernel to print the raw instruction bytes surrounding an instruction that generated an unexpected exception;...