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Open Source and information security mailing list archives
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From: jim at jtan.com (Jim Paris) Subject: Re: i386 Linux kernel DoS > char dos[] = "\x9C" /* pushfd */ > "\x58" /* pop eax */ > "\x0D\x00\x01\x00\x00" /* or eax,100h */ > "\x50" /* push eax */ > "\x9D" /* popfd */ > "\x9A\x00\x00\x00\x00\x07\x00"; /* call 07h:00h */ Has anyone come up with a hotfix for this (eg, a kernel module to temporarily patch the hole)? Where was this bug fixed in 2.4.19? The CHECK_IF_IN_TRAP stuff in handle_vm86_fault? -jim