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VULNERABILITIES

CVE-2026-90324 Details

Description

In the Linux kernel, the following vulnerability has been resolved: ublk: check import_ubuf() return value import_ubuf() can fail if the address range (provided by the userspace ublk server) is outside the allowed user address space. Return that 0 bytes were copied if import_ubuf() fails rather than passing an uninitialized struct iov_iter to ublk_copy_user_pages().

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0121c84adb6a4cd6f7560b5895bd88f9899bbc1f kernel.org
https://git.kernel.org/stable/c/3831568792af75b6523fa93bb91560e29189cf55 kernel.org
https://git.kernel.org/stable/c/5ac6019cb78e98c9608fda72726b36ddf8474dd7 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-90324
NVD Published Date:
Sep 17, 2026
NVD Last Modified:
Sep 18, 2026
Source:
kernel.org
CVE-2026-90324 Details - Not Deferred