CVE-2022-50252

igb: Do not free q_vector unless new one was allocated

Published: 9/15/2025 Last updated: 5/23/2026 Reserved: 9/15/2025

In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position.

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

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted 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 (4)

Product	Vendor	Version
Linux	Linux	6.4.0
Linux	Linux	6.4.1
Linux	Linux	10 Version 1809 for 32-bit Systems
Linux	Linux	2008 for x64-based Systems Service Pack 2 (Core installation)

CVE-2022-50252

igb: Do not free q_vector unless new one was allocated

Opam packages affected (29)

Products affected (4)

References (18)