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CVE-2022-49385

22
FAUCET Score

CVE-2022-49385 is a Use-After-Free (UAF) vulnerability in the Linux kernel's driver base component. It occurs when a driver_attach operation fails, leading to the premature freeing of driver_private data that is still referenced on the bus. This vulnerability carries a high CVSS score of 7.8, indicating a local attack vector with low complexity, allowing an authenticated attacker to achieve high confidentiality, integrity, and availability impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.9, < 5.4.198CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.122CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.47CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.17.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.18, < 5.18.4CPE 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
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
21.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 58th percentile among its peer group of 17,061 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

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-70.144.1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-70.144.1.rt21.216.el9_0
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49385Moderate

kernel: driver: base: fix UAF when driver_attach failed

Feb 26, 2025

References

git.kernel.org / stable/c/310862e574001a97ad02272bac0fd13f75f42a27
Patch
git.kernel.org / stable/c/5389101257828d1913d713d9a40acbe14f5961df
Patch
git.kernel.org / stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
Patch
git.kernel.org / stable/c/823f24f2e329babd0330200d0b74882516fe57f4
Patch
git.kernel.org / stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
Patch
git.kernel.org / stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21
Patch