CVE-2024-47750
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix Use-After-Free of rsv_qp on HIP08 Currently rsv_qp is freed before ib_unregister_device() is called on HIP08. During the time interval, users can still dereg MR and rsv_qp will be used in this process, leading to a UAF. Move the release of rsv_qp after calling ib_unregister_device() to fix it.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/2ccf1c75d39949d8ea043d04a2e92d7100ea723d ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/2ccf1c75d39949d8ea043d04a2e92d7100ea723dPatch
- https://git.kernel.org/stable/c/60595923371c2ebe7faf82536c47eb0c967e3425Patch
- https://git.kernel.org/stable/c/d2d9c5127122745da6e887f451dd248cfeffca33Patch
- https://git.kernel.org/stable/c/dac2723d8bfa9cf5333f477741e6e5fa1ed34645Patch
- https://git.kernel.org/stable/c/fd8489294dd2beefb70f12ec4f6132aeec61a4d0Patch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html