CVE-2021-47204

net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

HIGH
7.8
CVSS Score
Published: April 10, 2024 at 06:56 PM UTC
Updated: June 17, 2026 at 04:16 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.17 ≤ v < 5.10.824.17 ≤ v < 5.15.54.17 ≤ v < 5.164.17 ≤ v < 5.4.1625.11 ≤ v < 5.15.55.5 ≤ v < 5.10.825.16 rc17472dd9f649958be6a8880ed439233c8414a7b34
Vendor states this is fixed in 1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9 (fixed)
Vendor states this is fixed in 32d4686224744819ddcae58b666c21d2a4ef4c88 (fixed)
Vendor states this is fixed in 9b5a333272a48c2f8b30add7a874e46e8b26129c (fixed)
Vendor states this is fixed in d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a (fixed)
Vendor states this is fixed in 4.17 (unaffected)
Vendor states this is fixed in 5.10.82 (unaffected)
Vendor states this is fixed in 5.15.5 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.4.162 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card