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CVE-2021-47138

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CVE-2021-47138

Published: Mar 25, 2024

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
b1a79360ee862f8ada4798ad2346fa45bb41b527 - < 0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf
affected
b1a79360ee862f8ada4798ad2346fa45bb41b527 - < 02f03883fdb10ad7e66717c70ea163a8d27ae6e7
affected
b1a79360ee862f8ada4798ad2346fa45bb41b527 - < 285207a558ab456aa7d8aa877ecc7e91fcc51710
affected
b1a79360ee862f8ada4798ad2346fa45bb41b527 - < 88c380df84fbd03f9b137c2b9d0a44b9f2f553b0

Linux

Linux

affected
5.2
unaffected
0 - < 5.2
unaffected
5.4.124 - <= 5.4.*
unaffected
5.10.42 - <= 5.10.*
unaffected
5.12.9 - <= 5.12.*

+1 more versions

References

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