5.5

CVE-2025-21795

NFSD: fix hang in nfsd4_shutdown_callback

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

NFSD: fix hang in nfsd4_shutdown_callback

If nfs4_client is in courtesy state then there is no point to send
the callback. This causes nfsd4_shutdown_callback to hang since
cl_cb_inflight is not 0. This hang lasts about 15 minutes until TCP
notifies NFSD that the connection was dropped.

This patch modifies nfsd4_run_cb_work to skip the RPC call if
nfs4_client is in courtesy state.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 5.10.220 < 5.10.235
LinuxLinux Kernel Version >= 5.15.154 < 5.15.179
LinuxLinux Kernel Version >= 5.19 < 6.1.129
LinuxLinux Kernel Version >= 6.2 < 6.6.79
LinuxLinux Kernel Version >= 6.7 < 6.12.16
LinuxLinux Kernel Version >= 6.13 < 6.13.4
LinuxLinux Kernel Version6.14 Updaterc1
LinuxLinux Kernel Version6.14 Updaterc2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.051
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.