Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cxgb4: avoid accessing registers when clearing filters Hardware register having the server TID base can contain invalid values when adapter is in bad state (for example, due to AER fatal error). Reading these invalid values in the register can lead to out-of-bound memory access. So, fix by using the saved server TID base when clearing filters.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.2, < 5.4.124 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7Patch
- https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdfPatch
- https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710Patch
- https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0Patch
- https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7Patch
- https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdfPatch
- https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710Patch
- https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0Patch
FAQ
What is CVE-2021-47138?
CVE-2021-47138 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: cxgb4: avoid accessing registers when clearing filters Hardware register having the server TID base can contain invalid values whe...
How severe is CVE-2021-47138?
CVE-2021-47138 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47138?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.