CVE-2021-46934: i2c: validate user data in compat ioctl
First published: Tue Feb 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2021-46934">CVE-2021-46934</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024022750-CVE-2021-46934-79c8@gregkh/T/#u">https://lore.kernel.org/linux-cve-announce/2024022750-CVE-2021-46934-79c8@gregkh/T/#u</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.15.0<4.19.224 | |
| Linux Kernel | >=4.20.0<5.4.170 | |
| Linux Kernel | >=5.5.0<5.10.90 | |
| Linux Kernel | >=5.11.0<5.15.13 | |
| 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://access.redhat.com/security/cve/CVE-2021-46934
- https://lore.kernel.org/linux-cve-announce/2024022750-CVE-2021-46934-79c8@gregkh/T/#u
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2266447
- https://access.redhat.com/errata/RHSA-2024:3618
- https://access.redhat.com/errata/RHSA-2024:3627
- https://bugzilla.redhat.com/show_bug.cgi?id=2266446
- https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b
- https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d
- https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f
- https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26
- https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-46934?
CVE-2021-46934 is classified as a medium severity vulnerability.
How do I fix CVE-2021-46934?
To fix CVE-2021-46934, update your Linux kernel to a version that patched the vulnerability.
What systems are affected by CVE-2021-46934?
CVE-2021-46934 affects specific versions of the Linux kernel between 4.15 and 5.15.
What does CVE-2021-46934 involve?
CVE-2021-46934 involves the need to validate user data in compat ioctl within the Linux kernel.
Can CVE-2021-46934 lead to further exploitation?
Yes, exploiting CVE-2021-46934 could potentially allow unauthorized access or modification of system data.
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