Riskcovery

CVE-2021-47138

cxgb4: avoid accessing registers when clearing filters

State
Published
Severity
Not scored
Published
Mar 25, 2024
Updated
May 11, 2026
Reserved
Mar 4, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • b1a79360ee862f8ada4798ad2346fa45bb41b527 to before 0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdfAffected
  • b1a79360ee862f8ada4798ad2346fa45bb41b527 to before 02f03883fdb10ad7e66717c70ea163a8d27ae6e7Affected
  • b1a79360ee862f8ada4798ad2346fa45bb41b527 to before 285207a558ab456aa7d8aa877ecc7e91fcc51710Affected
  • b1a79360ee862f8ada4798ad2346fa45bb41b527 to before 88c380df84fbd03f9b137c2b9d0a44b9f2f553b0Affected
LinuxLinux
  • 5.2Affected
  • before 5.2Not affected
  • 5.4.124 through 5.4.*Not affected
  • 5.10.42 through 5.10.*Not affected
  • 5.12.9 through 5.12.*Not affected
  • 5.13 and laterNot affected

References

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