5.3
Moyenne
CVE-2019-11479 Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes
Description
Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commits 967c05aee439e6e5d7d805e195b3a20ef5c433d6 and 5f3e2bf008c2221478101ee72f5cb4654b9fc363.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux Kernel 5.1 | 5.1 → < 5.1.11 | 5.1.11 |
| Linux Kernel 4.19 | 4.19 → < 4.19.52 | 4.19.52 |
| Linux Kernel 4.14 | 4.14 → < 4.14.127 | 4.14.127 |
| Linux Kernel 4.9 | 4.9 → < 4.9.182 | 4.9.182 |
| Linux Kernel 4.4 | 4.4 → < 4.4.182 | 4.4.182 |
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