cxgb4: avoid accessing registers when clearing filters (Linux Linux)

CVE-2021-47138
HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 16 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected b1a79360ee862f8ada4798ad2346fa45bb41b527 < 0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf ; affected b1a79360ee862f8ada4798ad2346fa45bb41b527 < 02f03883fdb10ad7e66717c70ea163a8d27ae6e7 ; affected b1a79360ee862f8ada4798ad2346fa45bb41b527 < 285207a558ab456aa7d8aa877ecc7e91fcc51710 ; affected b1a79360ee862f8ada4798ad2346fa45bb41b527 < 88c380df84fbd03f9b137c2b9d0a44b9f2f553b0
Linux · Linuxaffected 5.2 ; unaffected 0 < 5.2 ; unaffected 5.4.124 ≤ 5.4.* ; unaffected 5.10.42 ≤ 5.10.* ; unaffected 5.12.9 ≤ 5.12.* ; unaffected 5.13 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD