CVE-2024-36903

MEDIUM

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 v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 5/30/2024Modified: 7/14/2026

Related Intelligence (1)

CRITICALAi

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-04.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommend

CVE-2021-41617CVE-2023-28531
CISA Advisories

References (11)

https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3Patchhttps://git.kernel.org/stable/c/40e5444a3ac315b60e94d82226b73cd82145d09ehttps://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672cPatchhttps://git.kernel.org/stable/c/59d74c843ebf46264c7903726cf6f2673a93b07ahttps://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97aPatchhttps://git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8https://git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3Patchhttps://git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672cPatchhttps://git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97aPatchhttps://lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html