Bug 2467076 (CVE-2026-43193) - CVE-2026-43193 kernel: nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg()
Summary: CVE-2026-43193 kernel: nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg()
Keywords:
Status: NEW
Alias: CVE-2026-43193
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-06 13:02 UTC by OSIDB Bzimport
Modified: 2026-05-06 20:53 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-06 13:02:58 UTC 
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.
Comment 1 Keith Grant 2026-05-06 20:50:37 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026050643-CVE-2026-43193-f144@gregkh/T
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