CVE-2022-50386
Vulnerability Scoring
Analysis In Progress
CVE-2022-50386 Vulnerability Analysis & Exploit Details
CVE-2022-50386
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2022-50386 Details
Status: Awaiting Analysis
Last updated: 🕓 19 Sep 2025, 16:00 UTC
Originally published on: 🕑 18 Sep 2025, 14:15 UTC
Time between publication and last update: 1 days
CVSS Release:
CVE-2022-50386 Vulnerability Summary
CVE-2022-50386: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Bluetooth: l2cap_core.c:static void l2cap_chan_destroy(struct kref *kref) Bluetooth: chan 0000000023c4974d Bluetooth: parent 00000000ae861c08 ================================================================== BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:191 [inline] BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:671 [inline] BUG: KASAN: use-after-free in __mutex_lock+0x278/0x400 kernel/locking/mutex.c:729 Read of size 8 at addr ffff888006a49b08 by task kworker/u3:2/389
Assessing the Risk of CVE-2022-50386
Access Complexity Graph
The exploitability of CVE-2022-50386 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2022-50386
No exploitability data is available for CVE-2022-50386.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2022-50386, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2022-50386, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2022-50386 does not compromise confidentiality.
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Integrity:
None
CVE-2022-50386 does not impact data integrity.
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Availability:
None
CVE-2022-50386 does not affect system availability.
CVE-2022-50386 References
External References
- https://git.kernel.org/stable/c/0c108cf3ad386e0084277093b55a351c49e0be27
- https://git.kernel.org/stable/c/11e40d6c0823f699d8ad501e48d1c3ae4be386cd
- https://git.kernel.org/stable/c/15fc21695eb606bdc5d483b92118ee42610a952d
- https://git.kernel.org/stable/c/35fcbc4243aad7e7d020b7c1dfb14bb888b20a4f
- https://git.kernel.org/stable/c/6ffde6e03085874ae22263ff4cef4869f797e84f
- https://git.kernel.org/stable/c/7d6f9cb24d2b2f6b6370eac074e2e6b1bafdad45
- https://git.kernel.org/stable/c/843fc4e386dd84b806a7f07fb062d8c3a44e5364
- https://git.kernel.org/stable/c/d1e894f950ad48897d1a7cb05909ea29d8c3810e
- https://git.kernel.org/stable/c/d91fc2836562f299f34e361e089e9fe154da4f73
CWE Common Weakness Enumeration
Unknown
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