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CVE-2022-48986

17
FAUCET Score

CVE-2022-48986 is a vulnerability in the Linux kernel affecting the memory management subsystem, specifically the get_user_pages (GUP) function for DAX (Direct Access) PUDs. It can lead to a kernel panic, causing a denial of service. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high impact to availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.9.165, < 4.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.14.108, < 4.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.19.31, < 4.20CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.0, < 5.4.227CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.159CPE 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
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 67th 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 (4)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
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-2022-48986Moderate

kernel: mm/gup: fix gup_pud_range() for dax

Oct 21, 2024

References

git.kernel.org / stable/c/04edfa3dc06ecfc6133a33bc7271298782dee875
Patch
git.kernel.org / stable/c/3ac29732a2ffa64c7de13a072b0f2848b9c11037
Patch
git.kernel.org / stable/c/e06d13c36ded750c72521b600293befebb4e56c5
Patch
git.kernel.org / stable/c/f1cf856123ceb766c49967ec79b841030fa1741f
Patch
git.kernel.org / stable/c/fcd0ccd836ffad73d98a66f6fea7b16f735ea920
Patch