CVE-2024-38541

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2024-06-19. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

of: module: add buffer overflow check in of_modalias()

In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will point beyond the buffer's end. Add the buffer overflow check after the 1st snprintf() call and fix such check after the strlen() call (accounting for the terminating NUL char).

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
71.2%
KEV
Not listed

Published

June 19, 2024

Last Modified

November 3, 2025

Advisory Details (8)

Auto-updated May 25, 2026
No patch confirmed yet.
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cf7385cb26ac4f0ee6c7385960525ad534323252
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0b0d5701a8bf02f8fee037e81aacf6746558bfd6
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ee332023adfd5882808f2dabf037b32d6ce36f9e
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e45b69360a63165377b30db4a1dfddd89ca18e9a
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c7f24b7d94549ff4623e8f41ea4d9f5319bd8ac8
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/733e62786bdf1b2b9dbb09ba2246313306503414
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5d59fd637a8af42b211a92b2edb2474325b4d488
generic

of: module: add buffer overflow check in of_modalias() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/46795440ef2b4ac919d09310a69a404c5bc90a88

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-intel-iotg-edge (5.15.0.1083.89~20.04.1) @ focal2026-05-23ubuntu
ubuntulinux-tools-gcp-fips-5.15 (5.15.0.1087.77) @ jammy2026-05-23ubuntu
ubuntulinux-tools-realtime-5.15 (5.15.0.1088.92) @ jammy2026-05-23ubuntu
ubuntulinux-virtual-hwe-16.04-edge (4.15.0.240.252~16.04.1) @ xenial2026-05-23ubuntu
ubuntulinux-tools-gcp-fips-4.15 (4.15.0.2084.82) @ bionic2026-05-23ubuntu
ubuntulinux-tools-azure (4.15.0.1191.206~14.04.1) @ trusty2026-05-23ubuntu
ubuntulinux-tools-kvm-5.15 (5.15.0.1084.80) @ jammy2026-05-23ubuntu
ubuntulinux-tools-oracle-lts-18.04 (4.15.0.1145.150) @ bionic2026-05-23ubuntu
ubuntulinux-xilinx-zynqmp-tools-host (5.15.0-1052.56) @ jammy2026-05-23ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1083.81) @ jammy2026-05-23ubuntu
ubuntulinux-tools-oracle (4.15.0.1145.156~16.04.1) @ xenial2026-05-23ubuntu
ubuntulinux-virtual-hwe-20.04-edge (5.15.0.144.141) @ jammy2026-05-23ubuntu
ubuntulinux-virtual-hwe-18.04-edge (5.4.0.220.240~18.04.1) @ bionic2026-05-23ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1094.92) @ jammy2026-05-23ubuntu
ubuntulinux-tools-gcp-fips-5.4 (5.4.0.1152.94) @ focal2026-05-23ubuntu
ubuntulinux-tools-iot-5.4 (5.4.0.1053.51) @ focal2026-05-23ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1094.79) @ jammy2026-05-23ubuntu
ubuntulinux-tools-azure-edge (5.15.0.1094.103~20.04.1) @ focal2026-05-23ubuntu
ubuntulinux-tools-azure-lts-20.04 (5.4.0.1154.148) @ focal2026-05-23ubuntu
ubuntulinux-tools-oracle-edge (5.4.0.1148.158~18.04.1) @ bionic2026-05-23ubuntu
ubuntulinux-tools-oracle-64k (6.8.0-1010.10) @ noble2026-05-23ubuntu
ubuntulinux-tools-azure-fips-5.4 (5.4.0.1155.92) @ focal2026-05-23ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.8.0-40.40) @ noble2026-05-23ubuntu
ubuntulinux-tools-oem-24.04a (6.8.0-1010.10) @ noble2026-05-23ubuntu
ubuntulinux-tools-raspi (6.8.0-1009.10) @ noble2026-05-23ubuntu
redhatkernel-0:5.14.0-570.12.1.el9_62025-05-13redhat
redhatkernel-0:5.14.0-427.47.1.el9_42024-12-04redhat
redhatkernel-0:4.18.0-553.27.1.el8_102024-11-05redhat
redhatkernel-rt-0:4.18.0-553.27.1.rt7.368.el8_102024-11-05redhat
linuxKernel @ 5.4.294osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(21)

Data Freshness Timeline

(refreshed 12× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 02:38 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
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  44. 2026-06-08 14:41 UTCOSV refresh
  45. 2026-06-08 14:16 UTCEPSS rescore
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  75. 2026-05-23 23:44 UTCEG score recompute

Frequently asked(5)

What is CVE-2024-38541?
CVE-2024-38541 is a critical vulnerability published on June 19, 2024. In the Linux kernel, the following vulnerability has been resolved: of: module: add buffer overflow check in of_modalias() In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will…
When was CVE-2024-38541 disclosed?
CVE-2024-38541 was first published in the National Vulnerability Database on June 19, 2024, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-38541 actively exploited?
CVE-2024-38541 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-38541?
CVE-2024-38541 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2024-38541?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-38541, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2024-38541

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