CVE-2021-47378: nvme-rdma: destroy cm id before destroy qp to avoid use after free
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2021-47378">CVE-2021-47378</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024052142-CVE-2021-47378-8e72@gregkh/T">https://lore.kernel.org/linux-cve-announce/2024052142-CVE-2021-47378-8e72@gregkh/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.70 | 5.10.70 |
| redhat/kernel | <5.14.9 | 5.14.9 |
| redhat/kernel | <5.15 | 5.15 |
| Linux Kernel | <5.10.70 | |
| Linux Kernel | >=5.11<5.14.9 | |
| Linux Kernel | =5.15-rc1 |
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Reference Links
- https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744
- https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994
- https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f
- https://access.redhat.com/security/cve/CVE-2021-47378
- https://lore.kernel.org/linux-cve-announce/2024052142-CVE-2021-47378-8e72@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:6297
- https://bugzilla.redhat.com/show_bug.cgi?id=2282362
Frequently Asked Questions
What is the severity of CVE-2021-47378?
CVE-2021-47378 is classified as a medium-severity vulnerability in the Linux kernel.
How do I fix CVE-2021-47378?
To fix CVE-2021-47378, update your kernel to version 5.10.70, 5.14.9, or 5.15 as specified by the vendor.
What systems are affected by CVE-2021-47378?
CVE-2021-47378 affects systems running specific versions of the Linux kernel before the specified remedied versions.
What does CVE-2021-47378 exploit?
CVE-2021-47378 exploits a use-after-free vulnerability in nvme-rdma functionality within the Linux kernel.
Is CVE-2021-47378 being actively exploited?
As of the latest reports, there is no indication that CVE-2021-47378 is being actively exploited in the wild.
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