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CVE-2024-35855

22
FAUCET Score

CVE-2024-35855 is a use-after-free vulnerability in the Linux kernel's mlxsw driver, specifically affecting the spectrum_acl_tcam component. This flaw occurs during concurrent operations where rule activity updates can access memory that has been freed by a rehash process. With a CVSS score of 7.8 (High), successful exploitation could lead to high confidentiality, integrity, and availability impacts, though it requires local access and 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
>= 5.1, < 5.4.275CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.216CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.158CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.90CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.30CPE 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
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.1%
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 50th 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 (10)

codesyspatch availablevia llm_extracted
View patch
debianpatch availablevia nvd_reference
View patch
esphomepatch availablevia llm_extracted
View patch
nodejspatch availablevia llm_extracted
View patch
pjsippatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: kernel-0:5.14.0-427.67.1.el9_4
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 8Fixed in: kernel-0:4.18.0-553.8.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10
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
nodejsllm-nodejs-302528ae26f0d946CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
pjsipllm-pjsip-7ba3ec379210ac70CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
redhatCVE-2024-35855Moderate

kernel: mlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update

May 17, 2024

References

git.kernel.org / stable/c/1b73f6e4ea770410a937a8db98f77e52594d23a0
Patch
git.kernel.org / stable/c/79b5b4b18bc85b19d3a518483f9abbbe6d7b3ba4
Patch
git.kernel.org / stable/c/b183b915beef818a25e3154d719ca015a1ae0770
Patch
git.kernel.org / stable/c/b996e8699da810e4c915841d6aaef761007f933a
Patch
git.kernel.org / stable/c/c17976b42d546ee118ca300db559630ee96fb758
Patch
git.kernel.org / stable/c/e24d2487424779c02760ff50cd9021b8676e19ef
Patch
git.kernel.org / stable/c/feabdac2057e863d0e140a2adf3d232eb4882db4
Patch
lists.debian.org / debian-lts-announce/2024/06/msg00017.html
Patch