CVE-2026-43209

UNKNOWN 0.0

minix: Add required sanity checking to minix_check_superblock()

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

In the Linux kernel, the following vulnerability has been resolved: minix: Add required sanity checking to minix_check_superblock() The fs/minix implementation of the minix filesystem does not currently support any other value for s_log_zone_size than 0. This is also the only value supported in util-linux; see mkfs.minix.c line 511. In addition, this patch adds some sanity checking for the other minix superblock fields, and moves the minix_blocks_needed() checks for the zmap and imap also to minix_check_super_block(). This also closes a related syzbot bug report.

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	May 6, 2026

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Affected Versions

Linux / Linux

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a051ecf5c5b0387840dc210413ed3bc7fbdaa69c 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d791c544efd6b9c944b43cf7f502e5bcb02fb941 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 66c7c239c65341f99ae388d4d53dc9df2bcb9925 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2bb588cede1c1969e49c0a2822c8cb8b346b7682 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f57ccd4657c7f082dc47e5b9e18a883bb5f9118f 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 31fefc18096cdc5549cfa54964d90e0b3229aedc 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1efc128ee4adbc23e082715425ff895449d233bc 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8c97a6ddc95690a938ded44b4e3202f03f15078c

Linux / Linux

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗