CVE-2013-7441

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-05-29 · updated 2026-06-17
Weakness: CWE-399

Description

The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.

Affected products

Wouter Verhelst Nbd: 2.9.3, 2.9.4, 2.9.5, 2.9.6, 2.9.7, 2.9.8 (+10)

References

http://lists.opensuse.org/opensuse-updates/2015-06/msg00003.html
http://sourceforge.net/p/nbd/mailman/message/30410146/
http://www.debian.org/security/2015/dsa-3271
http://www.openwall.com/lists/oss-security/2015/05/19/6
http://www.openwall.com/lists/oss-security/2015/05/21/5
http://www.securityfocus.com/bid/74808
http://www.ubuntu.com/usn/USN-2676-1
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781547
https://github.com/yoe/nbd/commit/741495cb08503fd32a9d22648e63b64390c601f4
http://lists.opensuse.org/opensuse-updates/2015-06/msg00003.html
http://sourceforge.net/p/nbd/mailman/message/30410146/
http://www.debian.org/security/2015/dsa-3271

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