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CVE-2023-53508

ublk: fail to start device if queue setup is interrupted

High7.8EPSS 0.17%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: ublk: fail to start device if queue setup is interrupted In ublk_ctrl_start_dev(), if wait_for_completion_interruptible() is interrupted by signal, queues aren't setup successfully yet, so we have to fail UBLK_CMD_START_DEV, otherwise kernel oops can be triggered. Reported by German when working on qemu-storage-deamon which requires single thread ublk daemon.

Scores

CVSS scores of CVE-2023-53508, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.17% · top 94% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 71f28f3136aff5890cd56de78abc673f8393cad9 – < 0d5916c439574b18a0734872daa0022b3d6105ad
    • affected 71f28f3136aff5890cd56de78abc673f8393cad9 – < 6ab3e7d424cd413d7a5e976c8a30b4ffa84a65dd
    • affected 71f28f3136aff5890cd56de78abc673f8393cad9 – < 53e7d08f6d6e214c40db1f51291bb2975c789dc2

  • Linux · Linux

    • affected 6.0
    • unaffected < 6.0
    • unaffected 6.1.43 – ≤ 6.1.*
    • unaffected 6.4.8 – ≤ 6.4.*
    • unaffected 6.5 – ≤ *

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .