CVE-2021-20286 is a low-severity denial-of-service vulnerability affecting libnbd versions up to 1.7.3, specifically impacting Red Hat Enterprise Linux and libnbd. The flaw, an assertion failure in nbd_unlocked_opt_go, can be triggered remotely with low attack complexity by a high-privileged attacker, leading to a denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.7.3CPE matchmatch criteria | cpe:2.3:a:redhat:libnbd:*:*:*:*:*:*:*:* | ||
8.3.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.3.0:*:*:*:advanced_virtualization:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2021-20286
Dec 10, 2024CVE-2021-20286
Nov 12, 2024CVE-2021-20286
Oct 8, 2024A 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.
Mar 9, 2021libnbd: Assertion failure in nbd_unlocked_opt_go in lib/opt.c
Mar 1, 2021