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CVE-2026-63793

ntfs: serialize volume label accesses

HIGH
7.8
CVSS Score
Published: July 19, 2026 at 12:02 PM UTC
Updated: August 17, 2026 at 05:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ntfs: serialize volume label accesses Protect vol->volume_label with a mutex and snaphost the label before copy_to_user. This prevent a use-after-free when FS_IOC_SETFSLABEL replaces the vol->volume_label and FS_IOC_GETTSLABEL reads it concurrently.

Affected

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

Linux Kernel· Linux
95%
7.1 ≤ v < 7.1.37.1 ≤ v < 7.27.19c87959601e80b39a45250e362e6ddfec17cb0fa
Vendor states this is fixed in acd744019460bad22e43d4569a502f9c88d331ae (fixed)
Vendor states this is fixed in e9e50ce4f13dc721014af622613409455c734942 (fixed)
Vendor states this is fixed in 7.1 (unaffected)
Vendor states this is fixed in 7.1.3 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://git.kernel.org/stable/c/acd744019460bad22e43d4569a502f9c88d331ae
Patch
Source: cverecord
https://git.kernel.org/stable/c/e9e50ce4f13dc721014af622613409455c734942

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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