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CVE-2022-40673

26
FAUCET Score

CVE-2022-40673 is a critical authorization bypass vulnerability affecting KDiskMark versions prior to 3.1.0, specifically impacting Fedora and KDiskMark Project distributions. This flaw allows a local, low-privileged attacker to execute D-Bus methods like Helper::flushPageCache without proper authorization. Rated 7.8 HIGH on the CVSS scale, it carries a severe impact on confidentiality, integrity, and availability, with low attack complexity. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1.0CPE matchmatch criteria
cpe:2.3:a:kdiskmark_project:kdiskmark:*:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

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
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 67th percentile among its peer group of 16,985 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / JonMagon/KDiskMark/commit/3c90083a4f5ba3f240a797e509d818221542bbdc
PatchThird Party Advisory
github.com / JonMagon/KDiskMark/compare/3.0.0...3.1.0
Release NotesThird Party Advisory
github.com / JonMagon/KDiskMark/releases/tag/3.1.0
Release NotesThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/YYO3GWTNPHNCLHSI562Q3KX43PW7FQ4Q
openwall.com / lists/oss-security/2022/09/14/1
ExploitIssue TrackingMailing ListThird Party Advisory