CVE-2026-90132

ntfs: reject unprivileged writes to reserved $LX* xattrs

HIGH
7.1
CVSS Score
Published: September 17, 2026 at 04:06 PM UTC
Updated: October 19, 2026 at 09:19 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.1
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject unprivileged writes to reserved $LX* xattrs Reject setxattr of the reserved $LXUID, $LXGID, $LXMOD and $LXDEV names from userspace unless the caller has CAP_SYS_ADMIN.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.1fc053f05ca282a5e760b41f6560ac835c4e28037
Vendor states this is fixed in 86f46508016bc1f2bffb3a52dc2664f942fb9802 (fixed)
Vendor states this is fixed in ea6a67ef64451d2da298f15baa35865b4bb6372a (fixed)
Vendor states this is fixed in 7.1 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusRECEIVED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card