CVE-2023-53381
published 2025-09-18CVE-2023-53381: In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of…
PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.26%
17.7th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.20-1 (bookworm) | linux 6.1.20-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= a4bc287943f5695209ff36bdc89f17b48d68fae7 < 2da50149981d05955e51c28e982e9ac29bd73417 | 2da50149981d05955e51c28e982e9ac29bd73417 |
| linux | linux | >= f4e44b393389c77958f7c58bf4415032b4cda15b < 80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0 | 80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0 |
| linux | linux | >= f4e44b393389c77958f7c58bf4415032b4cda15b < 9f0df37520a27ad99eaacf38418b3d2bb5023105 | 9f0df37520a27ad99eaacf38418b3d2bb5023105 |
| linux | linux | >= f4e44b393389c77958f7c58bf4415032b4cda15b < 6c3c05402547aaca3edb23327b50f01a881831b9 | 6c3c05402547aaca3edb23327b50f01a881831b9 |
| linux | linux | >= f4e44b393389c77958f7c58bf4415032b4cda15b < 34e8f9ec4c9ac235f917747b23a200a5e0ec857b | 34e8f9ec4c9ac235f917747b23a200a5e0ec857b |
| linux | linux_kernel | >= 0 < 5.10.221-1 | 5.10.221-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 5.14 < 5.15.154 | 5.15.154 |
| linux | linux_kernel | >= 5.16 < 6.1.16 | 6.1.16 |
| linux | linux_kernel | >= 6.2 < 6.2.3 | 6.2.3 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-593m-cjxc-9623: In the Linux kernel, the following vulnerability has been resolved:
NFSD: fix leaked reference count of nfsd4_ssc_umount_item
The reference count of
ghsa_unreviewed·2025-09-18
CVE-2023-53381 [MEDIUM] GHSA-593m-cjxc-9623: In the Linux kernel, the following vulnerability has been resolved:
NFSD: fix leaked reference count of nfsd4_ssc_umount_item
The reference count of
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.
OSV
CVE-2023-53381: In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of n
osv·2025-09-18·CVSS 5.5
CVE-2023-53381 [MEDIUM] CVE-2023-53381: In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of n
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.
Red Hat
kernel: NFSD: fix leaked reference count of nfsd4_ssc_umount_item
vendor_redhat·2025-09-18·CVSS 5.5
CVE-2023-53381 [MEDIUM] CWE-911 kernel: NFSD: fix leaked reference count of nfsd4_ssc_umount_item
kernel: NFSD: fix leaked reference count of nfsd4_ssc_umount_item
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.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) -
Debian
CVE-2023-53381: linux - In the Linux kernel, the following vulnerability has been resolved: NFSD: fix l...
vendor_debian·2023·CVSS 5.5
CVE-2023-53381 [MEDIUM] CVE-2023-53381: linux - In the Linux kernel, the following vulnerability has been resolved: NFSD: fix l...
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.
Scope: local
bookworm: resolved (fixed in 6.1.20-1)
bullseye: resolved (fixed in 5.10.221-1)
forky: resolved (fixed in 6.1.20-1)
sid: resolved (fixed in 6.1.20-1)
trixie: resolved (fixed in 6.1.20-1)
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857bhttps://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105
2025-09-18
Published