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CVE-2024-43835

17
FAUCET Score

CVE-2024-43835 is a Linux kernel vulnerability affecting the virtio_net driver, specifically related to incorrect NAPI context assumptions. This medium-severity flaw (CVSS 5.5) could lead to a denial of service (system crash) due to a warning in the napi_skb_cache_put function, triggered by a local attacker with low privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0, < 6.10.3CPE 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
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 68th 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 (14)

codesyspatch availablevia llm_extracted
View patch
esphomepatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.180.1-1 on CBL Mariner 2.0
microsoftpatch availablevia msrc
Product: 19673-17086
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.176.3-1 on CBL Mariner 2.0Fixed in: 5.15.176.3-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.64.2-9 on Azure Linux 3.0Fixed in: 6.6.64.2-9
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.92.2-1 on Azure Linux 3.0
microsoftpatch availablevia msrc
Product: 17110-16823Fixed in: 5.15.176.3-1
microsoftpatch availablevia msrc
Product: 17501-17084Fixed in: 6.6.64.2-9
microsoftpatch availablevia msrc
Product: 19529-17084
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
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt

Vendor Advisories (4)

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
redhatCVE-2024-43835Moderate

kernel: virtio_net: Fix napi_skb_cache_put warning

Aug 17, 2024
microsoft2024-Aug/CVE-2024-43835Moderate

virtio_net: Fix napi_skb_cache_put warning

Aug 13, 2024

References

git.kernel.org / stable/c/468a729b78895893d0e580ceea49bed8ada2a2bd
Patch
git.kernel.org / stable/c/6b5325f2457521bbece29499970c0117a648c620
Patch
git.kernel.org / stable/c/842a97b5e44f0c8a9fc356fe976e0e13ddcf7783
Patch
git.kernel.org / stable/c/cc7340f18e45886121c131227985d64ef666012f
Patch
git.kernel.org / stable/c/d3af435e8ace119e58d8e21d3d2d6a4e7c4a4baa
Patch
git.kernel.org / stable/c/f5e9a22d19bb98a7e86034db85eb295e94187caa
Patch
git.kernel.org / stable/c/f8321fa75102246d7415a6af441872f6637c93ab
Patch
lists.debian.org / debian-lts-announce/2024/10/msg00003.html
lists.debian.org / debian-lts-announce/2025/01/msg00001.html