CVE-2023-54269

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: double free xprtctxt while still in use When an RPC request is deferred, the rqxprtctxt pointer is moved out of the svcrqst into the svcdeferredreq. When the deferred request is revisited, the pointer is copied into the n...

CVE-2023-54258

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

CVE-2023-54269 SUNRPC: double free xprt_ctxt while still in use

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: double free xprtctxt while still in use When an RPC request is deferred, the rqxprtctxt pointer is moved out of the svcrqst into the svcdeferredreq. When the deferred request is revisited, the pointer is copied into the n...

CVE-2023-54269 SUNRPC: double free xprt_ctxt while still in use

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: double free xprtctxt while still in use When an RPC request is deferred, the rqxprtctxt pointer is moved out of the svcrqst into the svcdeferredreq. When the deferred request is revisited, the pointer is copied into the n...

CVE-2023-54269

CVE-2023-54269: Linux kernel SUNRPC double-free of rq_xprt_ctxt during deferred RPC handling. Connected sources consistently describe the root cause as the improper handling of rq_xprt_ctxt when an RPC request is revisited after deferral, risking use-after-free on UDP or mismanagement on RDMA. Th...

CVE-2023-54258

CVE-2023-54258: In the Linux kernel CIFS code, a race between deferred closes and lease breaks can cause an unmount (kill_sb) to occur before validating tcon->ses during oplock_response, risking a use-after-free. The fix is to reorder checks before sending oplock_response: first ensure openFil...

CVE-2023-54258 cifs: fix potential oops in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

CVE-2023-53990

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

SUSE CVE-2023-53990

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

Linux Distros Unpatched Vulnerability : CVE-2023-53990

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We...

CVE-2023-54081

CVE-2023-54081 affects the Linux kernel Xen grant-table reclaim path. When a grant entry is still in use by the remote domain, the VM may accumulate a large deferred-list, causing a severe memory leak and potential VM freeze, notably in Qubes OS due to GUI/window handling constraints. The fix mak...

CVE-2025-68366

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

CVE-2023-53990

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

UBUNTU-CVE-2023-53990

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

CVE-2023-53990

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

CVE-2023-53990 SMB3: Add missing locks to protect deferred close file list

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

CVE-2023-53990 SMB3: Add missing locks to protect deferred close file list

In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifsdeldeferredclose function has a critical section which modifies the deferred close file list. We must acquire deferredlock before calling cifsdeldeferredclose functi...

CVE-2023-53990

Technical details for CVE-2023-53990 are not publicly available in the supplied documents; no vendor/product/version specifics, exploit info, or fixes are provided here. Monitor for updates.

PT-2025-52947

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the SMB3 implementation related to missing locks protecting the deferred close file list. Specifically, the cifs del deferred close function, which...

SUSE CVE-2025-68333

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix possible deadlock in the deferredirqworkfn For PREEMPTRT=y kernels, the deferredirqworkfn is executed in the per-cpu irqwork/ task context and not disable-irq, if the rq returned by containerof is current CPU's rq,...