CVE-2023-53207

MEDIUM

Linux Kernel - Memory Corruption in ublk_ctrl_end_recovery

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ublk: fail to recover device if queue setup is interrupted In ublk_ctrl_end_recovery(), if wait_for_completion_interruptible() is interrupted by signal, queues aren't setup successfully yet, so we have to fail UBLK_CMD_END_USER_RECOVERY, otherwise kernel oops can be triggered.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/84415f934ad4e96f3507fd09b831953d60fb04ec

Patch

https://git.kernel.org/stable/c/b3a1e243a74632f88b22e713f1c7256754017d58

Patch

https://git.kernel.org/stable/c/0c0cbd4ebc375ceebc75c89df04b74f215fab23a

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 4.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (12)

linux/Kernel 6.1.0 - 6.1.43linux

linux/Kernel 6.2.0 - 6.4.8linux

Linux/Linux < 6.1

Linux/Linux 6.1

Linux/Linux 6.1.43 - 6.1.*

Linux/Linux 6.4.8 - 6.4.*

Linux/Linux 6.5

Linux/Linux c732a852b419fa057b53657e2daaf9433940391c - 0c0cbd4ebc375ceebc75c89df04b74f215fab23a

Linux/Linux c732a852b419fa057b53657e2daaf9433940391c - 84415f934ad4e96f3507fd09b831953d60fb04ec

Linux/Linux c732a852b419fa057b53657e2daaf9433940391c - b3a1e243a74632f88b22e713f1c7256754017d58

... and 2 more

Published Sep 15, 2025

Tracked Since Feb 18, 2026