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CVE-2023-52810 In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage…

Description

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage l2nbperpage is log2(number of blks per page), and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used as shift exponent. Syzbot reported this bug: UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:799:12 shift exponent -16777216 is negative

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 6.7 premières → < 6.7 6.7
Linux 6.6 premières → < 6.6.3 6.6.3
Linux 6.5 premières → < 6.5.13 6.5.13
Linux 6.1 premières → < 6.1.64 6.1.64
Linux 5.15 premières → < 5.15.140 5.15.140
Linux 5.10 premières → < 5.10.202 5.10.202
Linux 5.4 premières → < 5.4.262 5.4.262
Linux 4.19 premières → < 4.19.300 4.19.300
Linux 4.14 premières → < 4.14.331 4.14.331
Afficher les 2 autres branches
Produit Versions touchées Corrigé en
Linux 2.6.12 Pas de correctif indiqué
linux_kernel 6.7 premières → < 6.7 6.7

Références

Chronologie

  1. Publiée
  2. Dernière modification

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