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
CVE-2026-90175
NONE
EPSS 0.20%
Updated Sep 17, 2026
Linux
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
CVE Details
CVE ID
CVE-2026-90175
Published Date
Sep 17, 2026
Vendor
Linux
Severity
NONE
Exploit Prediction (EPSS)
Probability of Exploit
0.20%
Likelihood of exploitation in next 30 days
Percentile:
10.1th percentile (higher than 10.1% of all CVEs)
Standard patching cycle
Impact
Minimal impact
Source
View Advisory