Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog Latest Updates Security News
Sign In Sign Up

CVE-2021-47520

UNKNOWN
Published 2024-05-24T15:09:33.796Z
Actions:
No CVSS data available

Description

In the Linux kernel, the following vulnerability has been resolved:

can: pch_can: pch_can_rx_normal: fix use after free

After calling netif_receive_skb(skb), dereferencing skb is unsafe.
Especially, the can_frame cf which aliases skb memory is dereferenced
just after the call netif_receive_skb(skb).

Reordering the lines solves the issue.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675 b21d18b51b31a24d17f883b678432fbdee3d5675
Linux

Linux

Affected Versions:

2.6.37 0 4.4.295 4.9.293 4.14.258 4.19.221 5.4.165 5.10.85 5.15.8 5.16

References

https://git.kernel.org/stable/c/bafe343a885c70dddf358379cf0b2a1c07355d8d
https://git.kernel.org/stable/c/3a3c46e2eff0577454860a203be1a8295f4acb76
https://git.kernel.org/stable/c/affbad02bf80380a7403885b9fe4a1587d1bb4f3
https://git.kernel.org/stable/c/3e193ef4e0a3f5bf92ede83ef214cb09d01b00aa
https://git.kernel.org/stable/c/abb4eff3dcd2e583060082a18a8dbf31f02689d4
https://git.kernel.org/stable/c/703dde112021c93d6e89443c070e7dbd4dea612e
https://git.kernel.org/stable/c/6c73fc931658d8cbc8a1714b326cb31eb71d16a7
https://git.kernel.org/stable/c/94cddf1e9227a171b27292509d59691819c458db
Published: 2024-05-24T15:09:33.796Z
Last Modified: 2025-05-04T07:12:45.630Z
Copied to clipboard!