CVE - CVE-2024-26886

CVE-ID
CVE-2024-26886	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: af_bluetooth: Fix deadlock Attemting to do sock_lock on .recvmsg may cause a deadlock as shown bellow, so instead of using sock_sock this uses sk_receive_queue.lock on bt_sock_ioctl to avoid the UAF: INFO: task kworker/u9:1:121 blocked for more than 30 seconds. Not tainted 6.7.6-lemon #183 Workqueue: hci0 hci_rx_work Call Trace: <TASK> __schedule+0x37d/0xa00 schedule+0x32/0xe0 __lock_sock+0x68/0xa0 ? __pfx_autoremove_wake_function+0x10/0x10 lock_sock_nested+0x43/0x50 l2cap_sock_recv_cb+0x21/0xa0 l2cap_recv_frame+0x55b/0x30a0 ? psi_task_switch+0xeb/0x270 ? finish_task_switch.isra.0+0x93/0x2a0 hci_rx_work+0x33a/0x3f0 process_one_work+0x13a/0x2f0 worker_thread+0x2f0/0x410 ? __pfx_worker_thread+0x10/0x10 kthread+0xe0/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK>
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955 URL:https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955 MISC:https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c URL:https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c MISC:https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7 URL:https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7 MISC:https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae URL:https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae MISC:https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb URL:https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb
Assigning CNA
kernel.org
Date Record Created
20240219	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240219)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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