CVE-2021-47669 (GCVE-0-2021-47669)
Vulnerability from cvelistv5
Published
2025-04-17 18:01
Modified
2025-05-04 07:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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().
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ▼ | Linux | Linux |
Version: a8f820a380a2a06fc4fe1a54159067958f800929 Version: a8f820a380a2a06fc4fe1a54159067958f800929 Version: a8f820a380a2a06fc4fe1a54159067958f800929 Version: a8f820a380a2a06fc4fe1a54159067958f800929 Version: a8f820a380a2a06fc4fe1a54159067958f800929 |
||||||
|
|||||||||
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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