CVE-2024-50012
Published: October 23, 2024Last modified: October 23, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: Avoid a bad reference count on CPU node In the parse_perf_domain function, if the call to of_parse_phandle_with_args returns an error, then the reference to the CPU device node that was acquired at the start of the function would not be properly decremented. Address this by declaring the variable with the __free(device_node) cleanup attribute.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.116-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/0f41f383b5a61a2bf6429a449ebba7fb08179d81
- https://git.kernel.org/stable/c/47cb1d9278f179df8250304ec41009e3e836a926
- https://git.kernel.org/stable/c/6c3d8387839252f1a0fc6367f314446e4a2ebd0b
- https://git.kernel.org/stable/c/77f88b17387a017416babf1e6488fa17682287e2
- https://git.kernel.org/stable/c/c0f02536fffbbec71aced36d52a765f8c4493dc2