High 7.8Published Jul 19, 2026

CVE-2026-63793ntfs: serialize volume label accesses

Updated under an hour ago (Oct 28, 2026, 9:10 AM ET)

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: Linux
NVD analysis: Analyzed
Record last updated: Aug 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 9c87959601e80b39a45250e362e6ddfec17cb0fa before acd744019460bad22e43d4569a502f9c88d331ae; from 9c87959601e80b39a45250e362e6ddfec17cb0fa before e9e50ce4f13dc721014af622613409455c734942	CNA record
linux linux_kernel linux:linux_kernel	from 7.1 before 7.1.3	NVD

References

References

https://git.kernel.org/stable/c/acd744019460bad22e43d4569a502f9c88d331ae	patch
https://git.kernel.org/stable/c/e9e50ce4f13dc721014af622613409455c734942	patch

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.