CVE-2026-43193 PUBLISHED

nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg()

Assigner: Linux
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

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

nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg()

Claude pointed out that there is a nfs4_file refcount leak in nfsd_get_dir_deleg(). Ensure that the reference to "fp" is released before returning.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 8b99f6a8c116f664a6788737705f6da2772cc96a to 0d8362e15aad5b5c1d6a65bb23ac6c45ccf881f3 (excl.)
  • affected from 8b99f6a8c116f664a6788737705f6da2772cc96a to 789477b849394afdb60507924d65f7ef18f078ce (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.19 is affected
  • unaffected from 0 to 6.19 (excl.)
  • unaffected from 6.19.6 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References