CVE-2022-49206

RDMA/mlx5: Fix memory leak in error flow for subscribe event routine

Published: 2/26/2025 Last updated: 5/4/2025 Reserved: 2/26/2025

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix memory leak in error flow for subscribe event routine In case the second xa_insert() fails, the obj_event is not released. Fix the error unwind flow to free that memory to avoid a memory leak.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (1)

Product	Vendor	Version
Linux	Linux	n/a

References (6)

https://git.kernel.org/stable/c/0174a89663a5ef83617da15bf24c0af2f62b6c7f
https://git.kernel.org/stable/c/c98d903ff9e79c210beddea4e6bc15ac38e25aa5
https://git.kernel.org/stable/c/8dd392e352d3269938fea32061a74655a613f929
https://git.kernel.org/stable/c/d66498507801fd9a20307a15a0814a0a016c3cde
https://git.kernel.org/stable/c/414b4e8738484379f18d6c4e780787c80dbf8a2c
https://git.kernel.org/stable/c/087f9c3f2309ed183f7e4b85ae57121d8663224d