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9.3 Critique

CVE-2026-99999 In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing…

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt the network header and cause a bunch of mischief. This was discovered and reported by Paulos, and has been reporoduced by others independently since. We really shouldn't allow such packets in, but as a defence in depth measure, let's also check before we complete the checksum. A more complete validation at input is forthcoming, but needs more work.

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 7.3 premières → < 7.3 7.3
Linux 7.2 premières → < 7.2.11 7.2.11
Linux 6.18 premières → < 6.18.57 6.18.57
Linux 6.12 premières → < 6.12.113 6.12.113
Linux 6.6 premières → < 6.6.159 6.6.159
Linux 6.1 premières → < 6.1.190 6.1.190
Linux 5.15 premières → < 5.15.223 5.15.223
Linux 5.10 premières → < 5.10.272 5.10.272
Linux 2.6.27 Pas de correctif indiqué

Références

Chronologie

  1. Publiée
  2. Dernière modification

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