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CVE-2022-49178

17
FAUCET Score

CVE-2022-49178 is a vulnerability in the Linux kernel's memstick/mspro_block component, affecting Linux kernel versions. It involves improper handling of read-only devices, where the system failed to correctly propagate the read-only state to the block layer, potentially leading to a resource leak. With a CVSS score of 5.5 (Medium), this vulnerability has a local attack vector and low attack complexity, potentially resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.16.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.17, < 5.17.2CPE 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
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 72nd 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 (2)

redhatCVE-2022-49178Low

kernel: memstick/mspro_block: fix handling of read-only devices

Feb 26, 2025
microsoft2025-Feb/CVE-2022-49178Moderate

memstick/mspro_block: fix handling of read-only devices

Feb 11, 2025

References

git.kernel.org / stable/c/057b53c4f87690d626203acef8b63d52a9bf2f43
Patch
git.kernel.org / stable/c/6a0725b9d78ff6efdc95a37e4f05072e79c63918
Patch
git.kernel.org / stable/c/6dab421bfe06a59bf8f212a72e34673e8acf2018
Patch