CVE-2024-50028: thermal: core: Reference count the zone in thermal_zone_get_by_id()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: thermal: core: Reference count the zone in thermal_zone_get_by_id() There are places in the thermal netlink code where nothing prevents the thermal zone object from going away while being accessed after it has been returned by thermal_zone_get_by_id(). To address this, make thermal_zone_get_by_id() get a reference on the thermal zone device object to be returned with the help of get_device(), under thermal_list_lock, and adjust all of its callers to this change with the help of the cleanup.h infrastructure.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.9<6.11.4 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 |
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Reference Links
- https://git.kernel.org/stable/c/c95538b286efc6109c987e97a051bc7844ede802
- https://git.kernel.org/stable/c/a42a5839f400e929c489bb1b58f54596c4535167
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50028
- https://nvd.nist.gov/vuln/detail/CVE-2024-50028
- https://launchpad.net/bugs/cve/CVE-2024-50028
- https://security-tracker.debian.org/tracker/CVE-2024-50028
- https://ubuntu.com/security/CVE-2024-50028
Frequently Asked Questions
What is the severity of CVE-2024-50028?
CVE-2024-50028 has a moderate severity rating due to potential impact on system stability.
How do I fix CVE-2024-50028?
To fix CVE-2024-50028, update your Linux kernel to version 6.12-rc2 or later.
What versions of the Linux kernel are affected by CVE-2024-50028?
CVE-2024-50028 affects Linux kernel versions from 5.9 to 6.11.4 and includes 6.12-rc1 and 6.12-rc2.
Can CVE-2024-50028 lead to system crashes?
Yes, CVE-2024-50028 can potentially lead to system crashes due to improper handling of thermal zone objects.
Is CVE-2024-50028 a local or remote vulnerability?
CVE-2024-50028 is classified as a local vulnerability as it requires local system access to exploit.
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