HIGH 7.0 Microsoft

CVE-2018-16880

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.

Microsoft Security Update 2019-Jan: 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 Products

References

Published: 2019-01-08 · Source: Microsoft · Feed updated: 2026-10-02
This high severity vulnerability with a CVSS score of 7.0 was published on 2019-01-08 via Microsoft. Affected: cm1 kernel 5.10.60.1-1 on CBL Mariner 1.0, cbl2 kernel 5.10.78.1-1 on CBL Mariner 2.0.
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