NFSD: fix leaked reference count of nfsd4_ssc_umount_item
CVE-2023-53381
Currently unrated
What is 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 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 Version(s)
Linux a4bc287943f5695209ff36bdc89f17b48d68fae7 < 2da50149981d05955e51c28e982e9ac29bd73417
Linux f4e44b393389c77958f7c58bf4415032b4cda15b < 80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0
Linux f4e44b393389c77958f7c58bf4415032b4cda15b < 9f0df37520a27ad99eaacf38418b3d2bb5023105