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Low severity2.7NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026

CVE-2021-20286

CVE-2021-20286

Description

A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9

Red Hat/Libnbd
cpe:2.3:a:redhat:libnbd:*:*:*:*:*:*:*:*
Range: <1.7.3
Red Hat/Enterprise Linux Server
cpe:2.3:o:redhat:enterprise_linux:8.3.0:*:*:*:advanced_virtualization:*:*:*
libnbd/libnbddescription
libnbd/libnbdllm-fuzzy
Range: <1.7.3
osv-coords5 versions
pkg:rpm/opensuse/kubevirt&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/libnbd&distro=openSUSE%20Tumbleweed pkg:rpm/suse/containerized-data-importer&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Containers%2015%20SP2 pkg:rpm/suse/kubevirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Containers%2015%20SP2 pkg:rpm/suse/kubevirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Containers%2015%20SP3
< 0.40.0-5.11.2+ 4 more
- (no CPE)range: < 0.40.0-5.11.2
- (no CPE)range: < 1.9.3-1.2
- (no CPE)range: < 1.30.0-5.3.2
- (no CPE)range: < 0.40.0-5.11.2
- (no CPE)range: < 0.40.0-5.11.2

Patches

Vulnerability mechanics

References

2

gitlab.com/nbdkit/libnbd/-/commit/fb4440de9cc76e9c14bd3ddf3333e78621f40ad0nvdPatchThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory

News mentions

0

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