CVE-2026-43209In 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 curren…
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 2.6.12.1 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6; 2.6.12; and 5 more ranges | NVD |
References
- https://git.kernel.org/stable/c/1efc128ee4adbc23e082715425ff895449d233bcpatch
- https://git.kernel.org/stable/c/2bb588cede1c1969e49c0a2822c8cb8b346b7682patch
- https://git.kernel.org/stable/c/31fefc18096cdc5549cfa54964d90e0b3229aedcpatch
- https://git.kernel.org/stable/c/66c7c239c65341f99ae388d4d53dc9df2bcb9925patch
- https://git.kernel.org/stable/c/8c97a6ddc95690a938ded44b4e3202f03f15078cpatch
- https://git.kernel.org/stable/c/a051ecf5c5b0387840dc210413ed3bc7fbdaa69cpatch
- https://git.kernel.org/stable/c/d791c544efd6b9c944b43cf7f502e5bcb02fb941patch
- https://git.kernel.org/stable/c/f57ccd4657c7f082dc47e5b9e18a883bb5f9118fpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.