CVE-2021-47669
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)
can: vxcan: vxcan_xmit: fix use after free bug
In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcan_xmit: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the canfd_frame cfd which aliases skb memory is accessed after the netif_rx_ni().
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) |
|---|---|---|---|---|---|
| a8f820a380a2a06fc4fe1a54159067958f800929 | affected | git | 6d6dcf2399cdd26f7f5426ca8dd8366b7f2ca105 | Unavailable | None listed |
| a8f820a380a2a06fc4fe1a54159067958f800929 | affected | git | 9b820875a32a3443d67bfd368e93038354e98052 | Unavailable | None listed |
| a8f820a380a2a06fc4fe1a54159067958f800929 | affected | git | a24476b37167816e6352ca1a2cf3769847774f70 | Unavailable | None listed |
| a8f820a380a2a06fc4fe1a54159067958f800929 | affected | git | e771a874076115df8bff27d325edfd2340e4ec69 | Unavailable | None listed |
| a8f820a380a2a06fc4fe1a54159067958f800929 | affected | git | 75854cad5d80976f6ea0f0431f8cedd3bcc475cb | 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) |
|---|---|---|---|---|---|
| 4.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.12 | Unavailable | None listed |
| 4.14.218 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.171 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.93 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.11 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11 | unaffected | original_commit_for_fix | Unavailable | * | None listed |