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

nvme-core: fix memory leak in dhchap_secret_store

Free dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return
fix following kmemleack:-

unreferenced object 0xffff8886376ea800 (size 64):
comm "check", pid 22048, jiffies 4344316705 (age 92.199s)
hex dump (first 32 bytes):
44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg
75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL
backtrace:
[<0000000030ce5d4b>] __kmalloc+0x4b/0x130
[<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]
[<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0
[<00000000437e7ced>] vfs_write+0x2ba/0x3c0
[<00000000f9491baf>] ksys_write+0x5f/0xe0
[<000000001c46513d>] do_syscall_64+0x3b/0x90
[<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
unreferenced object 0xffff8886376eaf00 (size 64):
comm "check", pid 22048, jiffies 4344316736 (age 92.168s)
hex dump (first 32 bytes):
44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg
75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL
backtrace:
[<0000000030ce5d4b>] __kmalloc+0x4b/0x130
[<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]
[<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0
[<00000000437e7ced>] vfs_write+0x2ba/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 0.00026.

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 < 2e9b141307554521d60fecf6bf1d2edc8dd0181d
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected < c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected < 6a5eda5017959541ab82c5d56bcf784b8294e298
f50fff73d620cd6e8f48bc58d4f1c944615a3fea affected < a836ca33c5b07d34dd5347af9f64d25651d12674
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 ≤ *

No data.

No data.

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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/2e9b141307554521d60fecf6bf1d2edc8dd0181d cve-icon cve-icon
https://git.kernel.org/stable/c/6a5eda5017959541ab82c5d56bcf784b8294e298 cve-icon cve-icon
https://git.kernel.org/stable/c/a836ca33c5b07d34dd5347af9f64d25651d12674 cve-icon cve-icon
https://git.kernel.org/stable/c/c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120901-CVE-2023-53852-69a1@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53852 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53852 cve-icon
History

Wed, 10 Dec 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, 09 Dec 2025 02:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: nvme-core: fix memory leak in dhchap_secret_store Free dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return fix following kmemleack:- unreferenced object 0xffff8886376ea800 (size 64): comm "check", pid 22048, jiffies 4344316705 (age 92.199s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130 [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core] [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0 [<00000000437e7ced>] vfs_write+0x2ba/0x3c0 [<00000000f9491baf>] ksys_write+0x5f/0xe0 [<000000001c46513d>] do_syscall_64+0x3b/0x90 [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc unreferenced object 0xffff8886376eaf00 (size 64): comm "check", pid 22048, jiffies 4344316736 (age 92.168s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130 [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core] [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0 [<00000000437e7ced>] vfs_write+0x2ba/0x3c0 [<00000000f9491baf>] ksys_write+0x5f/0xe0 [<000000001c46513d>] do_syscall_64+0x3b/0x90 [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
Title nvme-core: fix memory leak in dhchap_secret_store
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-09T01:30:17.449Z

Reserved: 2025-12-09T01:27:17.827Z

Link: CVE-2023-53852

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-09T16:17:25.797

Modified: 2025-12-09T18:37:13.640

Link: CVE-2023-53852

cve-icon Redhat

Severity : Low

Publid Date: 2025-12-09T00:00:00Z

Links: CVE-2023-53852 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.