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CVE-2022-50353

20
FAUCET Score

CVE-2022-50353 is a memory leak vulnerability in the Linux kernel's wmt-sdmmc driver, specifically affecting the mmc_add_host() function. This medium-severity vulnerability (CVSS 5.5) can lead to a kernel crash due to unhandled errors and memory leaks if the return value of mmc_add_host() is not properly checked. An attacker with local access could exploit this to achieve a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.8, < 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:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.86CPE 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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
8.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 43rd 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 (2)

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-2022-50353Low

kernel: mmc: wmt-sdmmc: fix return value check of mmc_add_host()

Sep 17, 2025

References

git.kernel.org / stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c
Patch
git.kernel.org / stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67
Patch
git.kernel.org / stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009
Patch
git.kernel.org / stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a
Patch
git.kernel.org / stable/c/b40ac3b696a9c84b36211ef0c3f5a422650c101b
Patch
git.kernel.org / stable/c/c7a328cea791cc2769b6417943939420913b4a46
Patch
git.kernel.org / stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f
Patch
git.kernel.org / stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228
Patch