CVE-2017-7539

Summary

An assertion-failure flaw was found in Qemu before 2.10.1, in the Network Block Device (NBD) server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service.

Affected Software

Weaknesses

• CWE-617: CWE-617

ADP Enrichment

CVE Program Container

Additional References

• https://access.redhat.com/errata/RHSA-2017:2628
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=2b0bbc4f8809c972bad134bc1a2570dbb01dea0b
• https://access.redhat.com/errata/RHSA-2017:3473
• https://access.redhat.com/errata/RHSA-2017:3470
• https://access.redhat.com/errata/RHSA-2017:3472
• https://access.redhat.com/errata/RHSA-2017:3474
• https://access.redhat.com/errata/RHSA-2017:3471
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=ff82911cd3f69f028f2537825c9720ff78bc3f19
• http://www.openwall.com/lists/oss-security/2017/07/21/4
• https://access.redhat.com/errata/RHSA-2017:3466
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7539
• http://www.securityfocus.com/bid/99944

References

• https://access.redhat.com/errata/RHSA-2017:2628
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=2b0bbc4f8809c972bad134bc1a2570dbb01dea0b
• https://access.redhat.com/errata/RHSA-2017:3473
• https://access.redhat.com/errata/RHSA-2017:3470
• https://access.redhat.com/errata/RHSA-2017:3472
• https://access.redhat.com/errata/RHSA-2017:3474
• https://access.redhat.com/errata/RHSA-2017:3471
• https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=ff82911cd3f69f028f2537825c9720ff78bc3f19
• http://www.openwall.com/lists/oss-security/2017/07/21/4
• https://access.redhat.com/errata/RHSA-2017:3466
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7539
• http://www.securityfocus.com/bid/99944

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