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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-36903
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-30 16:15:13 UTC
Updated2026-07-14 13:17:08 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-908

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 605b056d63302ae84eb136e88d4df49124bd5e0d 59d74c843ebf46264c7903726cf6f2673a93b07a git Not specified
CNA Linux Linux affected d65ff2fe877c471aa6e79efa7bd8ff66e147c317 40e5444a3ac315b60e94d82226b73cd82145d09e git Not specified
CNA Linux Linux affected 2c9cefc142c1dc2759e19a92d3b2b3715e985beb a05c1ede50e9656f0752e523c7b54f3a3489e9a8 git Not specified
CNA Linux Linux affected ea30388baebcce37fd594d425a65037ca35e59e8 68c8ba16ab712eb709c6bab80ff151079d11d97a git Not specified
CNA Linux Linux affected ea30388baebcce37fd594d425a65037ca35e59e8 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3 git Not specified
CNA Linux Linux affected ea30388baebcce37fd594d425a65037ca35e59e8 4e13d3a9c25b7080f8a619f961e943fe08c2672c git Not specified
CNA Linux Linux affected 165370522cc48127da564a08584a7391e6341908 git Not specified
CNA Linux Linux affected f394f690a30a5ec0413c62777a058eaf3d6e10d5 git Not specified
CNA Linux Linux affected 0cf600ca1bdf1d52df977516ee6cee0cadb1f6b1 git Not specified
CNA Linux Linux affected 02ed5700f40445af02d1c97db25ffc2d04971d9f git Not specified
CNA Linux Linux affected 5.10.178 5.10.248 semver Not specified
CNA Linux Linux affected 5.15.107 5.15.198 semver Not specified
CNA Linux Linux affected 6.1.24 6.1.140 semver Not specified
CNA Linux Linux affected 4.14.313 4.15 semver Not specified
CNA Linux Linux affected 4.19.281 4.20 semver Not specified
CNA Linux Linux affected 5.4.241 5.5 semver Not specified
CNA Linux Linux affected 6.2.11 6.3 semver Not specified
CNA Linux Linux affected 6.3 Not specified
CNA Linux Linux unaffected 6.3 semver Not specified
CNA Linux Linux unaffected 5.10.248 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.198 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.140 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.31 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.10 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/40e5444a3ac315b60e94d82226b73cd82145d09e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2367bf254f3a27ecc6e229afd7a8b0a1395f7be3 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/08/msg00010.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
cert-portal.siemens.com/productcert/html/ssa-019113.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/4e13d3a9c25b7080f8a619f961e943fe08c2672c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/59d74c843ebf46264c7903726cf6f2673a93b07a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a05c1ede50e9656f0752e523c7b54f3a3489e9a8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/68c8ba16ab712eb709c6bab80ff151079d11d97a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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