CVE-2021-47204
What it is
In the Linux kernel, the following vulnerability has been resolved: net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove Access to netdev after free_netdev() will cause use-after-free bug. Move debug log before free_netdev() call to avoid it.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Analyzed
Affected
- Linux Kernel < 5.4.162
- Linux Kernel < 5.10.82
- Linux Kernel < 5.15.5
- Linux Kernel 5.16
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-47204.md and follow it. Check whether this project is affected by CVE-2021-47204. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
- https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
- https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
- https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a
- https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
- https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
- https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
- https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a
References
- https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
- https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
- https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
- https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a
- https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
- https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
- https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
- https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a