CVE-2018-16880

Summary

A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.

Affected Software

Weaknesses

• CWE-787: CWE-787

ADP Enrichment

CVE Program Container

Additional References

• https://usn.ubuntu.com/3903-2/
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880
• http://www.securityfocus.com/bid/106735
• https://usn.ubuntu.com/3903-1/
• https://support.f5.com/csp/article/K03593314
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html

References

• https://usn.ubuntu.com/3903-2/
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880
• http://www.securityfocus.com/bid/106735
• https://usn.ubuntu.com/3903-1/
• https://support.f5.com/csp/article/K03593314
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html

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