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In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null
Considering that in some extreme cases, when performing the
unbinding operation, gserial_disconnect has cleared gser->ioport,
which triggers gadget reconfiguration, and then calls gs_read_complete,
resulting in access to a null pointer. Therefore, ep is disabled before
gserial_disconnect sets port to null to prevent this from happening.
Call trace:
gs_read_complete+0x58/0x240
usb_gadget_giveback_request+0x40/0x160
dwc3_remove_requests+0x170/0x484
dwc3_ep0_out_start+0xb0/0x1d4
__dwc3_gadget_start+0x25c/0x720
kretprobe_trampoline.cfi_jt+0x0/0x8
kretprobe_trampoline.cfi_jt+0x0/0x8
udc_bind_to_driver+0x1d8/0x300
usb_gadget_probe_driver+0xa8/0x1dc
gadget_dev_desc_UDC_store+0x13c/0x188
configfs_write_iter+0x160/0x1f4
vfs_write+0x2d0/0x40c
ksys_write+0x7c/0xf0
__arm64_sys_write+0x20/0x30
invoke_syscall+0x60/0x150
el0_svc_common+0x8c/0xf8
do_el0_svc+0x28/0xa0
el0_svc+0x24/0x84
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In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null
Considering that in some extreme cases, when performing the
unbinding operation, gserial_disconnect has cleared gser->ioport,
which triggers gadget reconfiguration, and then calls gs_read_complete,
resulting in access to a null pointer. Therefore, ep is disabled before
gserial_disconnect sets port to null to prevent this fr
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
3225683 Config Identifier: 0, OR
*cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 from (e
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.27 up to (excluding) 6.1.125
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.72
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.10
*cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
*
Changed
Reference Type
https://git.kernel.org/stable/c/0c50f00cc29948184af05bda31392fff5821f4f3 No Types Assigned
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null
Considering that in some extreme cases, when performing the
unbinding operation, gserial_disconnect has cleared gser->ioport,
which triggers gadget reconfiguration, and then calls gs_read_complete,
resulting in access to a null pointer. Therefore, ep is disabled before
gserial_disconnect sets port to null to prevent this fr