CVE-2023-53381 - Vulnerability Details - OpenCVE

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

NFSD: fix leaked reference count of nfsd4_ssc_umount_item

The reference count of nfsd4_ssc_umount_item is not decremented
on error conditions. This prevents the laundromat from unmounting
the vfsmount of the source file.

This patch decrements the reference count of nfsd4_ssc_umount_item
on error.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417
https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b
https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9
https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0
https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105

History

Thu, 18 Sep 2025 13:45:00 +0000

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of nfsd4_ssc_umount_item is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch decrements the reference count of nfsd4_ssc_umount_item on error.
Title		NFSD: fix leaked reference count of nfsd4_ssc_umount_item
References		https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417 https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9 https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0 https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-18T13:33:26.234Z

Updated: 2025-09-18T13:33:26.234Z

Reserved: 2025-09-17T14:54:09.736Z

Link: CVE-2023-53381

Vulnrichment

No data.

NVD

Status : Received

Published: 2025-09-18T14:15:41.077

Modified: 2025-09-18T14:15:41.077

Link: CVE-2023-53381

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53381", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.736Z", "datePublished": "2025-09-18T13:33:26.234Z", "dateUpdated": "2025-09-18T13:33:26.234Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:26.234Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: fix leaked reference count of nfsd4_ssc_umount_item\n\nThe reference count of nfsd4_ssc_umount_item is not decremented\non error conditions. This prevents the laundromat from unmounting\nthe vfsmount of the source file.\n\nThis patch decrements the reference count of nfsd4_ssc_umount_item\non error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/nfs4proc.c"], "versions": [{"version": "a4bc287943f5695209ff36bdc89f17b48d68fae7", "lessThan": "2da50149981d05955e51c28e982e9ac29bd73417", "status": "affected", "versionType": "git"}, {"version": "f4e44b393389c77958f7c58bf4415032b4cda15b", "lessThan": "80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0", "status": "affected", "versionType": "git"}, {"version": "f4e44b393389c77958f7c58bf4415032b4cda15b", "lessThan": "9f0df37520a27ad99eaacf38418b3d2bb5023105", "status": "affected", "versionType": "git"}, {"version": "f4e44b393389c77958f7c58bf4415032b4cda15b", "lessThan": "6c3c05402547aaca3edb23327b50f01a881831b9", "status": "affected", "versionType": "git"}, {"version": "f4e44b393389c77958f7c58bf4415032b4cda15b", "lessThan": "34e8f9ec4c9ac235f917747b23a200a5e0ec857b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/nfs4proc.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.154", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.15.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.2.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417"}, {"url": "https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0"}, {"url": "https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105"}, {"url": "https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9"}, {"url": "https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b"}], "title": "NFSD: fix leaked reference count of nfsd4_ssc_umount_item", "x_generator": {"engine": "bippy-1.2.0"}}}}