CVE-2026-23376

Summary

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

nvmet-fcloop: Check remoteport port_state before calling done callback

In nvme_fc_handle_ls_rqst_work, the lsrsp->done callback is only set when remoteport->port_state is FC_OBJSTATE_ONLINE. Otherwise, the nvme_fc_xmt_ls_rsp's LLDD call to lport->ops->xmt_ls_rsp is expected to fail and the nvme-fc transport layer itself will directly call nvme_fc_xmt_ls_rsp_free instead of relying on LLDD's done callback to free the lsrsp resources.

Update the fcloop_t2h_xmt_ls_rsp routine to check remoteport->port_state. If online, then lsrsp->done callback will free the lsrsp. Else, return -ENODEV to signal the nvme-fc transport to handle freeing lsrsp.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux10c165af35d225eb033f4edc7fcc699a8d2d533d < f30b95159a53e72529a9ca1667f11cd1970240a7affected
LinuxLinux10c165af35d225eb033f4edc7fcc699a8d2d533d < 31d3817bcd9e192b30abe3cf4b68f69d48864dd2affected
LinuxLinux10c165af35d225eb033f4edc7fcc699a8d2d533d < dd677d0598387ea623820ab2bd0e029c377445a3affected
LinuxLinux2cf857075bcc8e83c4aa5fe7d8f1efd6af51e04eaffected
LinuxLinux6.17.3 < 6.18affected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.18.17 <= 6.18.*unaffected
LinuxLinux6.19.7 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References