CVE-2015-0847
First published: Fri May 29 2015(Updated: )
nbd-server.c in Network Block Device (nbd-server) before 3.11 does not properly handle signals, which allows remote attackers to cause a denial of service (deadlock) via unspecified vectors.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/nbd | 1:3.19-3+deb10u1 1:3.21-1+deb11u1 1:3.24-1.1 1:3.25-1 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Ubuntu | =15.04 | |
| wouter verhelst nbd | <=3.10 |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00003.html
- http://sourceforge.net/p/nbd/mailman/message/34091218/
- http://sourceforge.net/projects/nbd/files/nbd/3.11/
- http://www.debian.org/security/2015/dsa-3271
- http://www.openwall.com/lists/oss-security/2015/05/07/9
- http://www.ubuntu.com/usn/USN-2676-1
- https://security-tracker.debian.org/tracker/CVE-2015-0847
Frequently Asked Questions
What is the severity of CVE-2015-0847?
CVE-2015-0847 is classified as a medium severity vulnerability due to the potential for denial of service.
How do I fix CVE-2015-0847?
To fix CVE-2015-0847, upgrade your Network Block Device to version 3.11 or later.
What software versions are affected by CVE-2015-0847?
CVE-2015-0847 affects nbd-server versions up to and including 3.10 and several older Ubuntu Linux versions.
Can CVE-2015-0847 be exploited remotely?
Yes, CVE-2015-0847 can be exploited remotely, allowing attackers to trigger a denial of service condition.
What is the impact of CVE-2015-0847 on system performance?
The impact of CVE-2015-0847 can result in a deadlock situation, which can significantly degrade system performance.
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- version/ubuntu/12.04
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- version/wouter verhelst nbd/3.10