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CVE-2022-50282

20
FAUCET Score

CVE-2022-50282 is a vulnerability in the Linux kernel's character device (chardev) subsystem, specifically in the cdev_device_add() function. It involves improper error handling when device_add() fails, leading to a potential kobject use-after-free issue. This vulnerability is rated Medium severity (CVSS 5.5) with a local attack vector, low attack complexity, and a high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.16.83, < 3.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.4.224, < 4.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.9.224, < 4.9.337CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.12, < 4.14.303CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.270CPE 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
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 37th 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 (6)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
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-2022-50282Moderate

kernel: chardev: fix error handling in cdev_device_add()

Sep 15, 2025

References

git.kernel.org / stable/c/11fa7fefe3d8fac7da56bc9aa3dd5fb3081ca797
Patch
git.kernel.org / stable/c/28dc61cc49c6e995121c6d86bef4b73df78dda80
Patch
git.kernel.org / stable/c/34d17b39bceef25e4cf9805cd59250ae05d0a139
Patch
git.kernel.org / stable/c/5d2146889fad4cb9e6c13e790d4cfd871486eca8
Patch
git.kernel.org / stable/c/6acf8597c5b04f455ee0649e11e5f3bcd28f381e
Patch
git.kernel.org / stable/c/85a5660491b507d33662b8e81c142e6041e642eb
Patch
git.kernel.org / stable/c/b5de1eac71fec1af7723f1083d23a24789fd795c
Patch
git.kernel.org / stable/c/c46db6088bccff5115674d583fef46ede80077a2
Patch
git.kernel.org / stable/c/d85b5247a79355b8432bfd9ac871f96117f750d4
Patch