CVE-2021-47670
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: peak_usb: fix use after free bugs
In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix use after free bugs After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the peak_usb_netif_rx_ni(). Reordering the lines solves the issue.
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) |
|---|---|---|---|---|---|
| 0a25e1f4f18566b750ebd3ae995af64e23111e63 | affected | git | 5408824636fa0dfedb9ecb0d94abd573131bfbbe | Unavailable | None listed |
| 0a25e1f4f18566b750ebd3ae995af64e23111e63 | affected | git | ddd1416f44130377798c1430b76503513b7497c2 | Unavailable | None listed |
| 0a25e1f4f18566b750ebd3ae995af64e23111e63 | affected | git | ec939c13c3fff2114479769c8380b7f1a54feca9 | Unavailable | None listed |
| 0a25e1f4f18566b750ebd3ae995af64e23111e63 | affected | git | 50aca891d7a554db0901b245167cd653d73aaa71 | 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) |
|---|---|---|---|---|---|
| 4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.0 | Unavailable | 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 |