video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow (Linux Linux)

CVE-2021-47642
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.29 % · percentile 21 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow Coverity complains of a possible buffer overflow. However, given the 'static' scope of nvidia_setup_i2c_bus() it looks like that can't happen after examiniing the call sites. CID 19036 (#1 of 1): Copy into fixed size buffer (STRING_OVERFLOW) 1. fixed_size_dest: You might overrun the 48-character fixed-size string chan->adapter.name by copying name without checking the length. 2. parameter_as_source: Note: This defect has an elevated risk because the source argument is a parameter of the current function. 89 strcpy(chan->adapter.name, name); Fix this warning by using strscpy() which will silence the warning and prevent any future buffer overflows should the names used to identify the channel become much longer.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 47e5533adf118afaf06d25a3e2aaaab89371b1c5 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 580e5d3815474b8349250c25c16416585a72c7fe ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 72dd5c46a152136712a55bf026a9aa8c1b12b60d ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 055cdd2e7b992921424d4daaa285ced787fb205f ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 08dff482012758935c185532b1ad7d584785a86e ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9ff2f7294ab0f011cd4d1b7dcd9a07d8fdf72834
Linux · Linuxaffected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 4.9.311 ≤ 4.9.* ; unaffected 4.14.276 ≤ 4.14.* ; unaffected 4.19.238 ≤ 4.19.* ; unaffected 5.4.189 ≤ 5.4.*

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