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CVE-2024-47748

21
FAUCET Score

CVE-2024-47748 is a use-after-free vulnerability (CWE-416) in the Linux kernel's vhost_vdpa module, specifically related to incorrect handling of irq bypass producer tokens. This flaw affects Linux kernel versions and has been resolved by correctly assigning and unregistering the token during VHOST_SET_VRING_CALL. It carries a CVSSv3.1 score of 7.8 (High), indicating that a local attacker with low privileges can achieve high confidentiality, integrity, and availability impacts with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.9, < 5.10.227CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.168CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.113CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.54CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.10.13CPE 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
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 40th 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 (23)

9001patch availablevia llm_extracted
View patch
codesyspatch availablevia llm_extracted
View patch
esphomepatch availablevia llm_extracted
View patch
gatsbyjspatch availablevia llm_extracted
View patch
joinmastodonpatch availablevia llm_extracted
View patch
mariadbpatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: 19672-17086Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: 17156-17086Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: 17603-17084Fixed in: 6.6.56.1-5
microsoftpatch availablevia msrc
Product: 17610-17084Fixed in: 6.6.56.1-5
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.51.1-5 on Azure Linux 3.0Fixed in: 6.6.56.1-5
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 6.6.56.1-5
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 6.6.56.1-5
microsoftpatch availablevia msrc
Product: 17123-16823Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.173.1-1 on CBL Mariner 2.0Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.167.1-2 on CBL Mariner 2.0Fixed in: 5.15.173.1-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.56.1-5 on Azure Linux 3.0Fixed in: 6.6.56.1-5
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-570.12.1.el9_6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel

Vendor Advisories (10)

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
mariadbllm-mariadb-7e20cc2309665f3eCRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
gatsbyjsllm-gatsbyjs-d2a2db116f1afcf5CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
9001llm-9001-fecf0327d92708b9CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
joinmastodonllm-joinmastodon-9b2d3b3c900c6299CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
microsoft2024-Dec/CVE-2024-47748

CVE-2024-47748

Dec 10, 2024
microsoft2024-Nov/CVE-2024-47748

CVE-2024-47748

Nov 12, 2024
redhatCVE-2024-47748Moderate

kernel: vhost_vdpa: assign irq bypass producer token correctly

Oct 21, 2024
microsoft2024-Oct/CVE-2024-47748Important

vhost_vdpa: assign irq bypass producer token correctly

Oct 8, 2024

References

git.kernel.org / stable/c/02e9e9366fefe461719da5d173385b6685f70319
Patch
git.kernel.org / stable/c/0c170b1e918b9afac25e2bbd01eaa2bfc0ece8c0
Patch
git.kernel.org / stable/c/7cf2fb51175cafe01df8c43fa15a06194a59c6e2
Patch
git.kernel.org / stable/c/927a2580208e0f9b0b47b08f1c802b7233a7ba3c
Patch
git.kernel.org / stable/c/ca64edd7ae93402af2596a952e0d94d545e2b9c0
Patch
git.kernel.org / stable/c/ec5f1b54ceb23475049ada6e7a43452cf4df88d1
Patch
git.kernel.org / stable/c/fae9b1776f53aab93ab345bdbf653b991aed717d
Patch
lists.debian.org / debian-lts-announce/2025/01/msg00001.html
lists.debian.org / debian-lts-announce/2025/03/msg00002.html