- Vulnerability/
- CVE-2021-47188
CVE-2021-47188: scsi: ufs: core: Improve SCSI abort handling
First published: Wed Apr 10 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566
- https://git.kernel.org/stable/c/c36baca06efa833adaefba61f45fefdc49b6d070
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47188
- https://nvd.nist.gov/vuln/detail/CVE-2021-47188
- https://launchpad.net/bugs/cve/CVE-2021-47188
- https://security-tracker.debian.org/tracker/CVE-2021-47188
- https://ubuntu.com/security/CVE-2021-47188
- https://git.kernel.org/linus/3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566
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