CVE-2021-47642
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 47e5533adf118afaf06d25a3e2aaaab89371b1c5 | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 580e5d3815474b8349250c25c16416585a72c7fe | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 72dd5c46a152136712a55bf026a9aa8c1b12b60d | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 055cdd2e7b992921424d4daaa285ced787fb205f | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 08dff482012758935c185532b1ad7d584785a86e | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 9ff2f7294ab0f011cd4d1b7dcd9a07d8fdf72834 | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 6a5226e544ac043bb2d8dc1bfe8920d02282f7cd | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 41baa86b6c802cdc6ab8ff2d46c083c9be93de81 | Unavailable | None listed |
| 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | affected | git | 37a1a2e6eeeb101285cd34e12e48a881524701aa | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.12 | Unavailable | None listed |
| 4.9.311 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.276 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.238 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.189 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.110 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.33 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16.19 | unaffected | semver | Unavailable | 5.16.* | None listed |
| 5.17.2 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |