![]() ![]() To report major security bugs (such as LPE, remote DOS, remote info leak or RCE): Once a CVE is assigned, send the bug details, the CVE number and a link to the fix to major security bugs.Describe the bug details and add a link to the fix (from, or ) in the request. Request a CVE from MITRE through the web form.Alternatively, you can develop and send a fix yourself. Report the bug publicly to kernel developers as described above and wait until a fix is committed.To report minor security bugs (such as local DOS or local info leak): The three main mailing lists for reporting and disclosing Linux kernel security issues are and The links for the guidelines for these lists are below, please read them carefully before sending anything to these lists. Report the bug publicly to you want to deal with the disclosure yourself, read below.The maximum embargo on these lists is 5 weeks. Report the bug privately to a vendor such as Red Hat ( or SUSE ( They should fix the bug, assign a CVE, and notify other vendors.The maximum embargo on this list is 7 days. Report the bug privately to In this case it should be fixed in the upstream kernel, but there are no guarantees that the fix will be propagated to stable or distro kernels. ![]() If you don't want to deal with this complex disclosure process you can either: This instruction is now being discussed here. Note, that these instructions are a work-in-progress and based on my current undestanding of the disclosure proccess. If you believe that a found bug poses potential security threat, consider following the instructions below. If you can't figure out the right fix, but have some understanding of the bug, please add your thoughts and conclusions to the report, that will save some time for kernel developers. If you want to get extra credit, you can try to undestand the bug and develop a fix yourself. You can try to simplify or annotate the reproducer manually, that greatly helps kernel developers to figure out why the bug occurs. Syzkaller tries to simplify the reproducer, but the result might not be ideal. Check that the reproducer works if you run it manually. If the reprocucer is available only in the form of a syzkaller program, please link the instructions on how to execute them in your report. If the bug is reproducible, include the reproducer (C source if possible, otherwise a syzkaller program) and the. Many kernel mailing lists reject HTML formatted messages, so use the plain text mode when sending the report.īugs without reproducers are way less likely to be triaged and fixed. Make sure to mention the exact kernel branch and revision where the bug occured. To find out the list of maintainers responsible for a particular kernel subsystem, use the get_ script. Please report found bugs to the Linux kernel maintainers. The easiest way to do this is to search through the syzkaller mailing list, syzkaller-bugs mailing list and syzbot dashboard for key frames present in the kernel stack traces. Before reporting a bug make sure nobody else already reported it. ![]()
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