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
2026-03-11T05:23:45.626735Z
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 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47747.json"
}
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"