cve/2024/CVE-2024-56660.md

CVE-2024-56660

Description

In the Linux kernel, the following vulnerability has been resolved:net/mlx5: DR, prevent potential error pointer dereferenceThe dr_domain_add_vport_cap() function generally returns NULL on errorbut sometimes we want it to return ERR_PTR(-EBUSY) so the caller canretry. The problem here is that "ret" can be either -EBUSY or -ENOMEMand if it's and -ENOMEM then the error pointer is propogated back andeventually dereferenced in dr_ste_v0_build_src_gvmi_qpn_tag().

POC

Reference

No PoCs from references.

Github

• https://github.com/cku-heise/euvd-api-doc
• https://github.com/oogasawa/Utility-security