What’s Vulnerable › Vulnerabilities

CVE-2026-90132: ntfs: reject unprivileged writes to reserved $LX* xattrs

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-19

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 products

• Linux kernel: 7.1 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/86f46508016bc1f2bffb3a52dc2664f942fb9802
• https://git.kernel.org/stable/c/ea6a67ef64451d2da298f15baa35865b4bb6372a

Get alerted when CVE-2026-90132 or the next vulnerability affects your stack