CVE-2026-90165

Summary

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

smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger()

See the procedure below:

ksmbd_launch_ksmbd_durable_scavenger durable_scavenger_running = true server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR()

server_ctrl_handle_reset ksmbd_stop_durable_scavenger kthread_stop(server_conf.dh_task) // invalid pointer

Affected Software

VendorProductVersion RangeStatus
LinuxLinux7f0cb478703cbeaddfe5c9101c5c73cd975d1073 < 3f8651f6bb52159c9e23993c77a2b51b9505ad64affected
LinuxLinuxd484d621d40f4a8b8959008802d79bef3609641b < af9cb997d13a17029a0d3863e33f4c837e27a8aeaffected
LinuxLinuxd484d621d40f4a8b8959008802d79bef3609641b < b2d78c199dfd983638662ace0612d4fade3dbea1affected
LinuxLinuxd484d621d40f4a8b8959008802d79bef3609641b < a2eb72b4d53bb9d8d6c00f3f794eaccb4b1ce5edaffected
LinuxLinuxd484d621d40f4a8b8959008802d79bef3609641b < bef46b604732d83f8da29f782868de4d25bf972caffected
LinuxLinux6.6.142 < 6.6.157affected
LinuxLinux6.11affected
LinuxLinux0 < 6.11unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References