Vulnerability in Linux

[ Description ]Official description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2_tree_connect() See the procedure below: smb2_tree_connect ksmbd_tree_conn_connect xa_store(&sess->tree_conns, tree_conn->id, tree_conn) ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS) ksmbd_share_tree_conn_inc(sc) ksmbd_iov_pin_rsp // fail status.ret = KSMBD_TREE_CONN_STATUS_NOMEM // do not disconnect tree_conn Disconnect the new tree connection if ksmbd_iov_pin_rsp() fails.

[ Fixes ]Fixes and patches

• Patch on git.kernel.orgVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on git.kernel.orgVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ Advisories ]Government CERT advisories

• BSI CERT-Bund27 Sep 2026WID-SEC-2026-3588

  Linux Kernel: Multiple vulnerabilities Translated from German

  CVE-2026-100076CVE-2026-100074CVE-2026-100079+11 more CVEs

[ References ]References

• git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019dfPatch
• git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bcPatch
• git.kernel.org/stable/c/fa0c45986fc60b3edfb35879f2fb0eacc0e49e98
• git.kernel.org/stable/c/fea9c705bbc618ba6426424c9f8330555820c9ec