Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-50314

20
FAUCET Score

CVE-2022-50314 addresses a hung task vulnerability in the Linux kernel's Network Block Device (NBD) driver. Specifically, a signal interrupting the nbd_start_device_ioctl() function could cause the system to hang. This vulnerability has a CVSS v3.1 score of 5.5 (MEDIUM), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.14.296CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.262CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.220CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.150CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.75CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 28th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-50314Moderate

kernel: nbd: Fix hung when signal interrupts nbd_start_device_ioctl()

Sep 15, 2025

References

git.kernel.org / stable/c/1de7c3cf48fc41cd95adb12bd1ea9033a917798a
Patch
git.kernel.org / stable/c/3575949513ea3b387b30dac1e69468a923c86caf
Patch
git.kernel.org / stable/c/35fb7d4a53d9e36d1b91161ea9870d9c6d57dccf
Patch
git.kernel.org / stable/c/3ba3846cb3e2fb3c6fbf79e998472821b298419e
Patch
git.kernel.org / stable/c/62006a72b05e0d38727eef5188700f2488be5e89
Patch
git.kernel.org / stable/c/b2700f98b3f4dd19fb4315b70581e5caff89eb49
Patch
git.kernel.org / stable/c/c0d73be0af8c1310713bc39a8d7a22e35084e14f
Patch
git.kernel.org / stable/c/c7b4641bd2395c2f3cd3b0a0cbf292ed9d489398
Patch