CVE-2021-47670 (GCVE-0-2021-47670)

Vulnerability from cvelistv5 – Published: 2025-04-17 18:01 – Updated: 2025-05-04 07:15
VLAI?
Title
can: peak_usb: fix use after free bugs
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 0a25e1f4f18566b750ebd3ae995af64e23111e63 , < 5408824636fa0dfedb9ecb0d94abd573131bfbbe (git)
Affected: 0a25e1f4f18566b750ebd3ae995af64e23111e63 , < ddd1416f44130377798c1430b76503513b7497c2 (git)
Affected: 0a25e1f4f18566b750ebd3ae995af64e23111e63 , < ec939c13c3fff2114479769c8380b7f1a54feca9 (git)
Affected: 0a25e1f4f18566b750ebd3ae995af64e23111e63 , < 50aca891d7a554db0901b245167cd653d73aaa71 (git)
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    Linux Linux Affected: 4.0
Unaffected: 0 , < 4.0 (semver)
Unaffected: 4.19.171 , ≤ 4.19.* (semver)
Unaffected: 5.4.93 , ≤ 5.4.* (semver)
Unaffected: 5.10.11 , ≤ 5.10.* (semver)
Unaffected: 5.11 , ≤ * (original_commit_for_fix)
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Show details on NVD website

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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