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-2024-43873

22
FAUCET Score

CVE-2024-43873 is a vulnerability in the Linux kernel affecting the vhost/vsock component, specifically concerning the uninitialized or improperly cleared 'seqpacket_allow' variable. This flaw could lead to high impact on confidentiality, integrity, and availability, with a CVSS score of 7.8 (High) due to local access and low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.14, < 5.15.165CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.103CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.44CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.10.3CPE 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
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 41st percentile among its peer group of 17,070 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 (11)

codesyspatch availablevia llm_extracted
View patch
esphomepatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: 17207-16823Fixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: 17250-17086Fixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.164.1-1 on CBL Mariner 2.0Fixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: 19670-17086Fixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.167.1-1 on CBL Mariner 2.0Fixed in: 5.15.167.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.167.1-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-570.12.1.el9_6
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (5)

codesysllm-codesys-fe85e88fbae25bb9CRITICAL

HP ThinPro 8.1 SP7 Security Updates

Jun 3, 2025
esphomellm-esphome-ed450ce9fd6a7380CRITICAL

HP ThinPro 8.1 SP7 Security Updates

Jun 3, 2025
microsoft2024-Oct/CVE-2024-43873

CVE-2024-43873

Oct 8, 2024
redhatCVE-2024-43873Moderate

kernel: vhost/vsock: always initialize seqpacket_allow

Aug 21, 2024
microsoft2024-Aug/CVE-2024-43873Important

vhost/vsock: always initialize seqpacket_allow

Aug 13, 2024

References

git.kernel.org / stable/c/1e1fdcbdde3b7663e5d8faeb2245b9b151417d22
Patch
git.kernel.org / stable/c/3062cb100787a9ddf45de30004b962035cd497fb
Patch
git.kernel.org / stable/c/30bd4593669443ac58515e23557dc8cef70d8582
Patch
git.kernel.org / stable/c/ea558f10fb05a6503c6e655a1b7d81fdf8e5924c
Patch
git.kernel.org / stable/c/eab96e8716cbfc2834b54f71cc9501ad4eec963b
Patch
lists.debian.org / debian-lts-announce/2025/01/msg00001.html