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Bluetooth: L2CAP: Access uninitialized memory #231

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hucarxiao opened this issue Dec 13, 2023 · 0 comments
Open

Bluetooth: L2CAP: Access uninitialized memory #231

hucarxiao opened this issue Dec 13, 2023 · 0 comments

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@hucarxiao
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hucarxiao commented Dec 13, 2023 •
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What is the security issue or vulnerability?
net/bluetooth/l2cap_core.c:
There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely.
3520 line : if (test_bit(FLAG_EFS_ENABLE, &chan->flags))

Security issue or vulnerability information
description:https://nvd.nist.gov/vuln/detail/CVE-2022-42895

commit:torvalds/linux@b1a2cd5

Could you apply for another new CVE?
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@hucarxiao