CVE-2023-53387
- Published: 2025-09-18T14:15:41.767
In the Linux kernel, the following vulnerability has been resolved:
scsi: ufs: core: Fix device management cmd timeout flow
In the UFS error handling flow, the host will send a device management cmd
(NOP OUT) to the device for link recovery. If this cmd times out and
clearing the doorbell fails, ufshcd_wait_for_dev_cmd() will do nothing and
return. hba->dev_cmd.complete struct is not set to NULL.
When this happens, if cmd has been completed by device, then we will call
complete() in __ufshcd_transfer_req_compl(). Because the complete struct is
allocated on the stack, the following crash will occur:
ipanic_die+0x24/0x38 [mrdump]
die+0x344/0x748
arm64_notify_die+0x44/0x104
do_debug_exception+0x104/0x1e0
el1_dbg+0x38/0x54
el1_sync_handler+0x40/0x88
el1_sync+0x8c/0x140
queued_spin_lock_slowpath+0x2e4/0x3c0
__ufshcd_transfer_req_compl+0x3b0/0x1164
ufshcd_trc_handler+0x15c/0x308
ufshcd_host_reset_and_restore+0x54/0x260
ufshcd_reset_and_restore+0x28c/0x57c
ufshcd_err_handler+0xeb8/0x1b6c
process_one_work+0x288/0x964
worker_thread+0x4bc/0xc7c
kthread+0x15c/0x264
ret_from_fork+0x10/0x30
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How to fix CVE-2023-53387
Description: In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix device management cmd timeout flow In the UFS error handling flow, the host will send a device management cmd (NOP OUT) to the device for link recovery. If this cmd times out and clearing the doorbell fails, ufshcd_wait_for_dev_cmd() will do nothing […]
Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
Vulnerability Timeline
CVE details first published to NVD database
Added to this CVE tracking system
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No vendor/product data available.