CVE-2026-90175
Severity not reportedIn the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of ksmbd_ipc_login_request_ext() returned buffer Free it unconditio…
In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of ksmbd_ipc_login_request_ext() returned buffer Free it unconditionally after ksmbd_alloc_user() calls. kmemleak splat: unreferenced object 0xffff888103b83540 (size 192): comm "pool-0", pid 16970, jiffies 4377290937 hex dump (first 32 bytes): 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 408ccc66): __kvmalloc_node_noprof+0x730/0x920 handle_generic_event+0xec/0x1a0 [ksmbd] genl_family_rcv_msg_doit+0xe0/0x130 genl_rcv_msg+0x181/0x290 netlink_rcv_skb+0x4f/0x100 genl_rcv+0x28/0x40 netlink_unicast+0x1e6/0x2c0 netlink_sendmsg+0x20a/0x450 ____sys_sendmsg+0x2e8/0x310 ___sys_sendmsg+0x78/0xc0 __sys_sendmsg+0x63/0xc0 do_syscall_64+0xa1/0x670 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Affected products
Not reported by the source (unknown — not "none").
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://git.kernel.org/stable/c/1c3ebf832d010c08afe1359215d4121cb1ed2de5 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/4d6fe49fa3e7fbd779c761518e6572e340233c9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/7a98c3b903b10c4d6176948254012b5ca24b071b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/abb5146b2d8197d695ea9eaa0847c73e34f00985 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/c9f2872e91b9fe99c1d0ba768906f7aeb48c8517 416baaa9-dc9f-4396-8d5f-8c081fb06d67