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CVE-2022-50005

19
FAUCET Score

CVE-2022-50005 is a use-after-free vulnerability in the Linux kernel's NFC PN533 driver, specifically affecting the linux_kernel product. This flaw occurs when the pn532 uart device detaches, failing to properly delete the cmd_timeout timer, leading to potential memory corruption. With a CVSS score of 7.8 (HIGH), it carries a local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.5, < 5.10.140CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.64CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.19.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
10.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 39th percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-50005Moderate

kernel: nfc: pn533: Fix use-after-free bugs caused by pn532_cmd_timeout

Jun 18, 2025

References

git.kernel.org / stable/c/2c71f5d55a86fd5969428abf525c1ae6b1c7b0f5
Patch
git.kernel.org / stable/c/50403ee6daddf0d7a14e9d3b51a377c39a08ec8c
Patch
git.kernel.org / stable/c/9c34c33893db7a80d0e4b55c23d3b65e29609cfb
Patch
git.kernel.org / stable/c/f1e941dbf80a9b8bab0bffbc4cbe41cc7f4c6fb6
Patch