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:
[<0000000069ac2cec>] kmalloc_trace+0x25/0x90
[<000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100
[<00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core]
[<000000007df61b4b>] 0xffffffffc05e88b3
[<00000000d152b985>] 0xffffffffc05744cb
[<00000000f04a4041>] vfs_write+0xc5/0x3c0
[<00000000f9491baf>] ksys_write+0x5f/0xe0
[<000000001c46513d>] do_syscall_64+0x3b/0x90
[<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00019.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected
< e1379e067b9485e5af03399fe3f0d39bccb023ad
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected
< 7237c26431cc78e5ec3259f4350f3dd58f6a4319
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected
< 2ed9a89192e3192e5fea7ff6475c8722513f325e
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected
< 7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd
Linux Linux affected
Version Status Constraints
6.0 affected
—
0 unaffected
< 6.0
6.1.39 unaffected
≤ 6.1.*
6.3.13 unaffected
≤ 6.3.*
6.4.4 unaffected
≤ 6.4.*
6.5 unaffected
≤ *

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

Vendor Product Confidence Versions
Linux Linux Kernel — —

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/2ed9a89192e3192e5fea7ff6475c8722513f325e cve-icon cve-icon
https://git.kernel.org/stable/c/7237c26431cc78e5ec3259f4350f3dd58f6a4319 cve-icon cve-icon
https://git.kernel.org/stable/c/7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd cve-icon cve-icon
https://git.kernel.org/stable/c/e1379e067b9485e5af03399fe3f0d39bccb023ad cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025100705-CVE-2023-53670-46fe@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53670 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53670 cve-icon
History

Tue, 03 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-401
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Wed, 08 Oct 2025 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Wed, 08 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Tue, 07 Oct 2025 15:30:00 +0000

Type Values Removed Values Added
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, 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: [<0000000069ac2cec>] kmalloc_trace+0x25/0x90 [<000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100 [<00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core] [<000000007df61b4b>] 0xffffffffc05e88b3 [<00000000d152b985>] 0xffffffffc05744cb [<00000000f04a4041>] vfs_write+0xc5/0x3c0 [<00000000f9491baf>] ksys_write+0x5f/0xe0 [<000000001c46513d>] do_syscall_64+0x3b/0x90 [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
Title nvme-core: fix dev_pm_qos memleak
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-10-07T15:21:27.626Z

Reserved: 2025-10-07T15:16:59.663Z

Link: CVE-2023-53670

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

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

Modified: 2026-02-26T23:14:36.277

Link: CVE-2023-53670

cve-icon Redhat

Severity : Low

Publid Date: 2025-10-07T00:00:00Z

Links: CVE-2023-53670 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-08T13:35:33Z

Weaknesses