CVE-2021-47352: virtio-net: Add validation for used length
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2021-47352">CVE-2021-47352</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024052141-CVE-2021-47352-df50@gregkh/T">https://lore.kernel.org/linux-cve-announce/2024052141-CVE-2021-47352-df50@gregkh/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.51 | 5.10.51 |
| redhat/kernel | <5.12.18 | 5.12.18 |
| redhat/kernel | <5.13.3 | 5.13.3 |
| redhat/kernel | <5.14 | 5.14 |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://git.kernel.org/stable/c/3133e01514c3c498f2b01ff210ee6134b70c663c
- https://git.kernel.org/stable/c/ad993a95c508417acdeb15244109e009e50d8758
- https://git.kernel.org/stable/c/ba710baa1cc1b17a0483f7befe03e696efd17292
- https://git.kernel.org/stable/c/c92298d228f61589dd21657af2bea95fc866b813
- https://access.redhat.com/security/cve/CVE-2021-47352
- https://lore.kernel.org/linux-cve-announce/2024052141-CVE-2021-47352-df50@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:6753
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:6993
- https://access.redhat.com/errata/RHSA-2024:7000
- https://bugzilla.redhat.com/show_bug.cgi?id=2282401
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-47352?
CVE-2021-47352 is classified as a high severity vulnerability in the Linux kernel.
How do I fix CVE-2021-47352?
To fix CVE-2021-47352, upgrade to kernel version 5.10.51, 5.12.18, 5.13.3, or 5.14.
What impact does CVE-2021-47352 have on affected systems?
CVE-2021-47352 could allow an attacker to manipulate network packet lengths, potentially leading to denial of service.
What Linux kernel versions are affected by CVE-2021-47352?
The affected Linux kernel versions for CVE-2021-47352 are prior to 5.10.51, 5.12.18, 5.13.3, and 5.14.
Is CVE-2021-47352 applicable to IBM Security Verify Governance?
Yes, CVE-2021-47352 affects IBM Security Verify Governance products up to version ISVG 10.0.2.
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