Bluetooth: L2CAP: validate option length before reading conf opt value

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OESA-2022-2147 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In l2capchanput of l2capcore, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for...

The vulnerability of the Bluetooth HOST microprogramming system component in Qualcomm’s embedded chips allows a perpetrator to gain unauthorized access to protected information or cause service failures.

The vulnerability of the Bluetooth HOST microprogramming system component in Qualcomm embedded chips relates to the lack of checks on buffer length and reading beyond the memory boundary when processing the l2cap parameter. Exploiting this vulnerability can allow an attacker to gain unauthorized...