Riskcovery

CVE-2024-50080

ublk: don't allow user copy for unprivileged device

State
Published
Severity
5.5 Medium
Published
Oct 29, 2024
Updated
May 11, 2026
Reserved
Oct 21, 2024

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1172d5b8beca6b899deb9f7f2850e7e47ec16198 to before 6414ab5c9c9c068eca6dc4fd3a036bc4b83164dcAffected
  • 1172d5b8beca6b899deb9f7f2850e7e47ec16198 to before 8f3d5686a2409877c5e8e2540774d24ed2b4a4ceAffected
  • 1172d5b8beca6b899deb9f7f2850e7e47ec16198 to before 42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6Affected
LinuxLinux
  • 6.5Affected
  • before 6.5Not affected
  • 6.6.58 through 6.6.*Not affected
  • 6.11.5 through 6.11.*Not affected
  • 6.12 and laterNot affected

References

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