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CVE-2011-1925

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a...

5.0 MediumFix available

CVE-2011-1925 is a medium vulnerability (CVSS 5.0) in Wouter Verhelst Nbd, published May 31, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 84th percentile. Fixed in nbd 1:2.9.22-1.

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Exploit likelihood

2.52%Up 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
CVE-2011-1925
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
CVE-2011-1925
Updated
2026-11-02
EUVDEUVD-2011-1923 No score

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
EUVD-2011-1923
Updated
2026-11-03
GitHub AdvisoriesGHSA-4c65-9qmh-v9h5 No score

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a...

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
GHSA-4c65-9qmh-v9h5
Updated
2026-11-02
OSV No score

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
CVE-2011-1925
Updated
2026-11-02
OSVDEBIAN-CVE-2011-1925 No score

nbd-server.c in Network Block Device (nbd-server) 2.9.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by causing a negotiation failure, as demonstrated by specifying a name for a non-existent export.

Record
DEBIAN-CVE-2011-1925
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nbd
Debian:12
before 1:2.9.22-1
1:2.9.22-1
nbd
Debian:13
before 1:2.9.22-1
1:2.9.22-1
nbd
Debian:14
before 1:2.9.22-1
1:2.9.22-1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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