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CVE-2022-50384

24
FAUCET Score

CVE-2022-50384 is a Use-After-Free (UAF) vulnerability in the Linux kernel's staging/vme_user component, specifically within the tsi148_dma_list_add function. This flaw, rated High severity (CVSS 7.8), allows a local attacker to achieve high confidentiality, integrity, and availability impacts due to improper list management before freeing memory. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.2, < 4.9.337CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 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:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.229CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.163CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 23rd percentile among its peer group of 17,070 CVEs.

Social Chatter

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

Vendor Advisories (1)

redhatCVE-2022-50384

kernel: staging: vme_user: Fix possible UAF in tsi148_dma_list_add

Sep 18, 2025

References

git.kernel.org / stable/c/1f5661388f43df3ac106ce93e67d8d22b16a78ff
Patch
git.kernel.org / stable/c/357057ee55d3c99a5de5abe8150f7bca04f8e53b
Patch
git.kernel.org / stable/c/51c0ad3b7c5b01f9314758335a13f157b05fa56d
Patch
git.kernel.org / stable/c/5cc4eea715a3fcf4e516662f736dfee63979465f
Patch
git.kernel.org / stable/c/5d2b286eb034af114f67d9967fc3fbc1829bb712
Patch
git.kernel.org / stable/c/85db68fc901da52314ded80aace99f8b684c7815
Patch
git.kernel.org / stable/c/a45ba33d398a821147d7e5f16ead7eb125e331e2
Patch
git.kernel.org / stable/c/cf138759a7e92c75cfc1b7ba705e4108fe330edf
Patch
git.kernel.org / stable/c/e6b0adff99edf246ba1f8d464530a0438cb1cbda
Patch