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CVE-2021-47188

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CVE-2021-47188

Published: Apr 10, 2024

Modified: Jun 1, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Improve SCSI abort handling The following has been observed on a test setup: WARNING: CPU: 4 PID: 250 at drivers/scsi/ufs/ufshcd.c:2737 ufshcd_queuecommand+0x468/0x65c Call trace: ufshcd_queuecommand+0x468/0x65c scsi_send_eh_cmnd+0x224/0x6a0 scsi_eh_test_devices+0x248/0x418 scsi_eh_ready_devs+0xc34/0xe58 scsi_error_handler+0x204/0x80c kthread+0x150/0x1b4 ret_from_fork+0x10/0x30 That warning is triggered by the following statement: WARN_ON(lrbp->cmd); Fix this warning by clearing lrbp->cmd from the abort handler.

VendorProductVersions

Linux

Linux

affected
7a3e97b0dc4bbac2ba7803564ab0057722689921 - < 9491bc16082d9a402c9099acbfffc89af6f9316f
affected
7a3e97b0dc4bbac2ba7803564ab0057722689921 - < c36baca06efa833adaefba61f45fefdc49b6d070
affected
7a3e97b0dc4bbac2ba7803564ab0057722689921 - < 3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566

Linux

Linux

affected
3.4
unaffected
0 - < 3.4
unaffected
5.10.258 - <= 5.10.*
unaffected
5.15.5 - <= 5.15.*
unaffected
5.16 - <= *

References

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