ublk: don't allow user copy for unprivileged device
UBLK_F_USER_COPY requires userspace to call write() on ublk char
device for filling request buffer, and unprivileged device can't
be trusted.
So don't allow user copy for unprivileged device.
Metrics
Affected Vendors & Products
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 01 Oct 2025 21:15:00 +0000
Type | Values Removed | Values Added |
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Metrics |
ssvc
|
Tue, 15 Jul 2025 13:45:00 +0000
Type | Values Removed | Values Added |
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Metrics |
epss
|
epss
|
Thu, 13 Feb 2025 00:45:00 +0000
Type | Values Removed | Values Added |
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Weaknesses | CWE-99 |
Wed, 30 Oct 2024 16:15:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Linux
Linux linux Kernel |
|
Weaknesses | NVD-CWE-noinfo | |
CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:* |
|
Vendors & Products |
Linux
Linux linux Kernel |
Wed, 30 Oct 2024 02:00:00 +0000
Type | Values Removed | Values Added |
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References |
| |
Metrics |
threat_severity
|
cvssV3_1
|
Tue, 29 Oct 2024 01:00:00 +0000
Type | Values Removed | Values Added |
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Description | In the Linux kernel, the following vulnerability has been resolved: ublk: don't allow user copy for unprivileged device UBLK_F_USER_COPY requires userspace to call write() on ublk char device for filling request buffer, and unprivileged device can't be trusted. So don't allow user copy for unprivileged device. | |
Title | ublk: don't allow user copy for unprivileged device | |
References |
|

Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-10-01T20:27:20.689Z
Reserved: 2024-10-21T19:36:19.941Z
Link: CVE-2024-50080

Updated: 2025-10-01T15:13:37.869Z

Status : Modified
Published: 2024-10-29T01:15:05.000
Modified: 2025-10-01T21:15:44.703
Link: CVE-2024-50080


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