CVE-2024-47747

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Source
https://cve.org/CVERecord?id=CVE-2024-47747
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47747.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-47747
Downstream
Related
Published
2024-10-21T12:14:13.783Z
Modified
2026-05-28T03:53:52.415559720Z
Summary
net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition
Details

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

net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition

In the ether3probe function, a timer is initialized with a callback function ether3ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows:

CPU0 CPU1

                  |  ether3_ledoff

ether3remove | freenetdev(dev); | putdevic | kfree(dev); | | ether3outw(priv(dev)->regs.config2 |= CFG2CTRLO, REGCONFIG2); | // use dev

Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47747.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
6fd9c53f71862a4797b7ed8a5de80e2c64829f56
Fixed
25d559ed2beec9b34045886100dac46d1ad92eba
Fixed
b5a84b6c772564c8359a9a0fbaeb2a2944aa1ee9
Fixed
338a0582b28e69460df03af50e938b86b4206353
Fixed
822c7bb1f6f8b0331e8d1927151faf8db3b33afd
Fixed
1c57d61a43293252ad732007c7070fdb112545fd
Fixed
d2abc379071881798d20e2ac1d332ad855ae22f3
Fixed
516dbc6d16637430808c39568cbb6b841d32b55b
Fixed
77a77331cef0a219b8dd91361435eeef04cb741c
Fixed
b5109b60ee4fcb2f2bb24f589575e10cc5283ad4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47747.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.323
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.285
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.227
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.168
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.113
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.54
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.10.13
Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47747.json"