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CVE-2026-64413 In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko…

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko reports: looking at ebtables table translation, could a sparse cpu_possible_mask lead to an uninitialized pointer free? If cpu_possible_mask is sparse (for example, CPU 0 and CPU 2 are possible, but CPU 1 is not), the allocation loop skips CPU 1. If vmalloc_node() fails at CPU 2, the cleanup loop will blindly decrement and call vfree() on newinfo->chainstack[1]. Not a real-world bug, such allocation isn't expected to fail in the first place.

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 7.2 premières → < 7.2 7.2
Linux 7.1 premières → < 7.1.4 7.1.4
Linux 6.18 premières → < 6.18.39 6.18.39
Linux 6.12 premières → < 6.12.97 6.12.97
Linux 6.6 premières → < 6.6.145 6.6.145
Linux 6.1 premières → < 6.1.178 6.1.178
Linux 5.15 premières → < 5.15.212 5.15.212
Linux 5.10 premières → < 5.10.261 5.10.261
Linux 2.6.12 Pas de correctif indiqué
Afficher les 3 autres branches
Produit Versions touchées Corrigé en
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → dernières Pas de correctif indiqué
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.7 → dernières Pas de correctif indiqué
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.7 → dernières Pas de correctif indiqué

Références

Chronologie

  1. Publiée
  2. Dernière modification

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