Linux Kernel Security Vulnerabilities

There are security vulnerabilities in Linux kernels versions 5.10.220 through 5.11, 5.15.154 through 5.16, and 5.17. These vulnerabilities stem from the function nfsdfiledisposelistdelayed, which delays the fput operation until after the nfsd service thread has been terminated. During the period...

DEBIAN-CVE-2025-40212

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

SUSE-SU-2025:03613-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...

CVE-2024-56558

In the Linux kernel, the following vulnerability has been resolved: nfsd: make sure exp active before svcexportshow The function eshow was called with protection from RCU. This only ensures that exp will not be freed. Therefore, the reference count for exp can drop to zero, which will trigger a...

CVE-2024-53216

CVE-2024-53216 (Linux kernel) : The vulnerability exists in nfsd’s handling of svc_expkey/svc_export release. When the last reference to cache_head can drop to zero in c_show/e_show, svc_export_put and expkey_put may free ex_uuid, after which access to ex_uuid can occur (use-after-free). An rcu_r...