CVE-2024-36903

MEDIUMNVD 5.55.5
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 86% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

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

ipv6: Fix potential uninit-value access in __ip6_make_skb()

As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
13.9%
KEV
Not listed

Published

May 30, 2024

Last Modified

July 14, 2026

Advisory Details (7)

Auto-updated Jul 19, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 4271-1] linux-6.1 security update

https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97a
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672c
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/59d74c843ebf46264c7903726cf6f2673a93b07a
generic

ipv6: Fix potential uninit-value access in __ip6_make_skb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/40e5444a3ac315b60e94d82226b73cd82145d09e

Vendor Advisories for CVE-2024-36903(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(16)

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

(14)

Data Freshness Timeline

(refreshed 12× in last 7d / 49× 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 103 total refreshes for this CVE.

  1. 2026-07-23 02:38 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
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  17. 2026-07-14 13:19 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  18. 2026-07-14 12:40 UTCMITRE cvelistV5
  19. 2026-07-14 07:25 UTCOSV refresh
  20. 2026-07-13 22:29 UTCEPSS rescore
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  46. 2026-06-08 16:11 UTCOSV refresh
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Frequently asked(5)

What is CVE-2024-36903?
CVE-2024-36903 is a medium vulnerability published on May 30, 2024. In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in ip6makeskb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in ipmakeskb()") for IPv4, check FLOWIFLAGKNOWNNH on fl6->flowi6flags instead of testing HDRINCL on the…
When was CVE-2024-36903 disclosed?
CVE-2024-36903 was first published in the National Vulnerability Database on May 30, 2024, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-36903 actively exploited?
CVE-2024-36903 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-36903?
CVE-2024-36903 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2024-36903?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-36903, 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-2024-36903

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