CVE-2021-47670
גבוהה 8.8
תיאור (מקור, אנגלית)
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.
מדדים
- CVSS 3.1
-
8.8 (HIGH)
מקור הציון: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-20/9/2026
- CWE
- CWE-416
מוצרים מושפעים
linux: linux kernel
קישורים
- https://git.kernel.org/stable/c/50aca891d7a554db0901b245167cd653d73aaa71 Patch
- https://git.kernel.org/stable/c/5408824636fa0dfedb9ecb0d94abd573131bfbbe Patch
- https://git.kernel.org/stable/c/ddd1416f44130377798c1430b76503513b7497c2 Patch
- https://git.kernel.org/stable/c/ec939c13c3fff2114479769c8380b7f1a54feca9 Patch