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-2024-26645

18
FAUCET Score

CVE-2024-26645 is a Linux kernel vulnerability affecting the tracing subsystem, specifically related to the tracing_map functionality. It can lead to sporadic warnings about duplicate histogram entries on multi-processor AArch64 machines due to CPU reordering of writes during element insertion. This issue impacts various Debian and Linux kernel versions. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low attack complexity. A successful exploit could lead to a high impact on availability (system crash or denial of service) but no impact on confidentiality or integrity. User interaction is not required. Currently, there is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. The CVE has received minimal community discussion and media coverage, suggesting low public awareness and a lack of widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.17, < 4.19.307CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.269CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.210CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.149CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.76CPE 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
15.5%
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

Patch Available

Vendor Patches (9)

microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.92.2-1 on Azure Linux 3.0
microsoftpatch availablevia msrc
Product: 17465-17084Fixed in: 6.6.82.1-1
microsoftpatch availablevia msrc
Product: 19529-17084
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.82.1-1 on Azure Linux 3.0Fixed in: 6.6.82.1-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.22.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-503.11.1.el9_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: kernel-0:5.14.0-427.72.1.el9_4
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2024-26645Low

kernel: tracing: Ensure visibility when inserting an element into tracing_map

Mar 26, 2024
microsoft2024-Mar/CVE-2024-26645Moderate

tracing: Ensure visibility when inserting an element into tracing_map

Mar 12, 2024

References

git.kernel.org / stable/c/2b44760609e9eaafc9d234a6883d042fc21132a7
Patch
git.kernel.org / stable/c/5022b331c041e8c54b9a6a3251579bd1e8c0fc0b
Patch
git.kernel.org / stable/c/a1eebe76e187dbe11ca299f8dbb6e45d5b1889e7
Patch
git.kernel.org / stable/c/aef1cb00856ccfd614467cfb50b791278992e177
Patch
git.kernel.org / stable/c/bf4aeff7da85c3becd39fb73bac94122331c30fb
Patch
git.kernel.org / stable/c/dad9b28f675ed99b4dec261db2a397efeb80b74c
Patch
git.kernel.org / stable/c/ef70dfa0b1e5084f32635156c9a5c795352ad860
Patch
git.kernel.org / stable/c/f4f7e696db0274ff560482cc52eddbf0551d4b7a
Patch
lists.debian.org / debian-lts-announce/2024/06/msg00017.html
Mailing List
lists.debian.org / debian-lts-announce/2024/06/msg00020.html
Mailing List