Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-48635

18
FAUCET Score

CVE-2022-48635 describes an infinite loop vulnerability in the Linux kernel's fsdax subsystem, specifically within the dax_iomap_rw() function, affecting Linux kernel versions. This flaw occurs when a read() call is made with a count of zero, leading to a kernel warning and an infinite loop. Rated Medium severity with a CVSS score of 6.2, it has a local attack vector and can lead to a denial of service (system crash). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.15, < 5.15.71CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.19.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.2MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
14.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 23rd percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.76.1-1 on Azure Linux 3.0Fixed in: 6.6.76.1-1
microsoftpatch availablevia msrc
Product: 17476-17084Fixed in: 6.6.76.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.176.3-3 on CBL Mariner 2.0
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.78.1-3 on Azure Linux 3.0
microsoftpatch availablevia msrc
Product: 19705-17086
microsoftpatch availablevia msrc
Product: 17471-17084
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
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 (2)

redhatCVE-2022-48635Low

kernel: fsdax: Fix infinite loop in dax_iomap_rw()

Apr 28, 2024
microsoft2024-Apr/CVE-2022-48635

fsdax: Fix infinite loop in dax_iomap_rw()

Apr 9, 2024

References

git.kernel.org / stable/c/17d9c15c9b9e7fb285f7ac5367dfb5f00ff575e3
Patch
git.kernel.org / stable/c/463f36137c40342fb03bba380c1bf703c40d89a6
git.kernel.org / stable/c/60644dffac87b1bb47bdb393aa29d5f2ffcf41a0
Patch
git.kernel.org / stable/c/929ef155e1da41c06f4d8ca86ae12b851a83a744
Patch