CVE-2024-50005

linux: In the Linux kernel, the following vulnerability has been resolved: mac802154: Fix potential RCU dereference issue i...

CVE-2024-50005 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50005, released October 21, 2024. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile

In the Linux kernel, the following vulnerability has been resolved: mac802154: Fix potential RCU dereference issue in mac802154_scan_worker In the `mac802154_scan_worker` function, the `scan_req->type` field was accessed after the RCU read-side critical section was unlocked. According to RCU usage rules, this is illegal and can lead to unpredictable behavior, such as accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the `scan_req->type` value is now stored in a local variable `scan_req_type` while still within the RCU read-side critical section. The `scan_req_type` is then used after the RCU lock is released, ensuring that the type value is safely accessed without violating RCU rules.

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 13.5 (trixie) 6.11.4-1 DEBIAN-CVE-2024-50005 Oct 21, 2024
linux · Debian 14 6.11.4-1 DEBIAN-CVE-2024-50005 Oct 21, 2024

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