CVE-2023-53670

  • Published: 2025-10-07T16:15:50.880

In the Linux kernel, the following vulnerability has been resolved:

nvme-core: fix dev_pm_qos memleak

Call dev_pm_qos_hide_latency_tolerance() in the error unwind patch to
avoid following kmemleak:-

blktests (master) # kmemleak-clear; ./check nvme/044;
blktests (master) # kmemleak-scan ; kmemleak-show
nvme/044 (Test bi-directional authentication) [passed]
runtime 2.111s … 2.124s
unreferenced object 0xffff888110c46240 (size 96):
comm “nvme”, pid 33461, jiffies 4345365353 (age 75.586s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
backtrace:
[] kmalloc_trace+0x25/0x90
[] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100
[] nvme_init_ctrl+0x38e/0x410 [nvme_core]
[] 0xffffffffc05e88b3
[] 0xffffffffc05744cb
[] vfs_write+0xc5/0x3c0
[] ksys_write+0x5f/0xe0
[] do_syscall_64+0x3b/0x90
[] entry_SYSCALL_64_after_hwframe+0x72/0xdc

Related CVE by CWE

No related CWE found.

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No recent KEV-listed items for this vendor/product.

How to fix CVE-2023-53670

CVE-2023-53670 is a unknown severity vulnerability affecting the affected product.

Description: In the Linux kernel, the following vulnerability has been resolved: nvme-core: fix dev_pm_qos memleak Call dev_pm_qos_hide_latency_tolerance() in the error unwind patch to avoid following kmemleak:- blktests (master) # kmemleak-clear; ./check nvme/044; blktests (master) # kmemleak-scan ; kmemleak-show nvme/044 (Test bi-directional authentication) [passed] runtime 2.111s … 2.124s unreferenced object 0xffff888110c46240 (size 96): comm “nvme”, pid 33461, […]

Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public

How to Fix:

1 Identify affected systems

- Check if you're running the affected product

2 Immediate actions

- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations

Exploit Difficulty Assessment

HARD
⏱️ Time to Exploit: > 4 hours
🛠️ Skills Required: Advanced security expertise
💰 Public Exploits: Rare or not public

Vulnerability Timeline

Oct 07, 2025
Vulnerability Published

CVE details first published to NVD database

Nov 12, 2025
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

No vendor/product data available.