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CVE-2026-90419

Last refreshed2026-10-19

Status: UPDATED  |  Advisory ID: CVE-2026-90419

Key Details

CVECVE-2026-90419
CVSS Score / Version
7.1 (High) / CVSS v3.1
Updated2026-10-19
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CVSS Prose
attack vector is local; attack complexity is low; privileges required is none; user interaction is required; scope is unchanged; confidentiality impact is high; integrity impact is none; availability impact is high.
Affected products
Linux Kernel

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
LinuxLinux Kernel
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

In the Linux kernel, the following vulnerability has been resolved:

nilfs2: prevent out-of-bounds read in super root block parsing

super-root inode metadata size is trusted before nilfs_read_inode_common().

Reject super-root inode sizes whose computed on-disk footprint exceeds the

filesystem block size. This prevents malformed filesystem images from

making nilfs_read_inode_common() read past the end of the super-root block.

[ryusuke: clarify the commit title] (NVD)

What to Do

Monitor Linux's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-90419
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-90419

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