CVE-2016-8577
First published: Fri Nov 04 2016(Updated: )
Memory leak in the v9fs_read function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via vectors related to an I/O read operation.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU | <=2.7.1 | |
| Debian | =8.0 | |
| SUSE Linux | =42.2 |
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Reference Links
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e95c9a493a5a8d6f969e86c9f19f80ffe6587e19
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/10/13
- http://www.openwall.com/lists/oss-security/2016/10/10/7
- http://www.securityfocus.com/bid/93473
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://security.gentoo.org/glsa/201611-11
Frequently Asked Questions
What is the severity of CVE-2016-8577?
CVE-2016-8577 has a medium severity rating due to its potential to cause denial of service through memory consumption.
How do I fix CVE-2016-8577?
To mitigate CVE-2016-8577, upgrade QEMU to version 2.8.0 or later, which addresses the memory leak vulnerability.
Who is affected by CVE-2016-8577?
CVE-2016-8577 affects local guest OS administrators running vulnerable versions of QEMU on operating systems like Debian 8.0 and openSUSE Leap 42.2.
What impact does CVE-2016-8577 have on systems?
CVE-2016-8577 can lead to denial of service by consuming excessive memory through specific I/O read operations.
Is CVE-2016-8577 exploitable remotely?
CVE-2016-8577 is not remotely exploitable as it requires local access to the guest OS.
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- agent/softwarecombine
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- agent/software-canonical-lookup-request
- vendor/qemu
- canonical/qemu
- version/qemu/2.7.1
- vendor/debian
- canonical/debian
- version/debian/8.0
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- canonical/suse linux
- version/suse linux/42.2