CVE-2024-53094

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

RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES

While running ISER over SIW, the initiator machine encounters a warning

from skb_splice_from_iter() indicating that a slab page is being used in

send_page. To address this, it is better to add a sendpage_ok() check

within the driver itself, and if it returns 0, then MSG_SPLICE_PAGES flag

should be disabled before entering the network stack.

A similar issue has been discussed for NVMe in this thread:

https://lore.kernel.org/all/[email protected]/

WARNING: CPU: 0 PID: 5342 at net/core/skbuff.c:7140 skb_splice_from_iter+0x173/0x320

Call Trace:

tcp_sendmsg_locked+0x368/0xe40

siw_tx_hdt+0x695/0xa40 [siw]

siw_qp_sq_process+0x102/0xb00 [siw]

siw_sq_resume+0x39/0x110 [siw]

siw_run_sq+0x74/0x160 [siw]

kthread+0xd2/0x100

ret_from_fork+0x34/0x40

ret_from_fork_asm+0x1a/0x30