CVE-2021-47378
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.17% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744Patch
- https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994Patch
- https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822fPatch
- https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744Patch
- https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994Patch
- https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822fPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.