PT-2024-8239 · Linux+8 · Linux Kernel+8
Syzbot
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Published
2024-09-27
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Updated
2026-03-14
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CVE-2024-49950
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions:
Linux kernel versions prior to 6.6.58
Description:
The issue is related to a use-after-free vulnerability in the
l2cap connect function within the Linux kernel's Bluetooth L2CAP implementation. This vulnerability can be exploited to impact the confidentiality, integrity, and availability of protected information. The vulnerability is caused by the reuse of previously freed memory, which can lead to unexpected behavior and potential security risks. The estimated number of potentially affected devices worldwide is not specified.Recommendations:
To resolve the issue, update the Linux kernel to version 6.6.58 or later. As a temporary workaround, consider disabling the Bluetooth L2CAP functionality until a patch is available. Restrict access to the vulnerable
l2cap connect function to minimize the risk of exploitation. Avoid using the l2cap connect function in the affected API endpoint until the issue is resolved.Exploit
Fix
DoS
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Suse
Ubuntu