CVE-2023-54131:详情

CVE-2023-54131

0.03%V4
2025-12-24
13h06 +00:00
2025-12-24
13h06 +00:00
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CVE 描述

wifi: rt2x00: Fix memory leak when handling surveys

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: Fix memory leak when handling surveys When removing a rt2x00 device, its associated channel surveys are not freed, causing a memory leak observable with kmemleak: unreferenced object 0xffff9620f0881a00 (size 512): comm "systemd-udevd", pid 2290, jiffies 4294906974 (age 33.768s) hex dump (first 32 bytes): 70 44 12 00 00 00 00 00 92 8a 00 00 00 00 00 00 pD.............. 00 00 00 00 00 00 00 00 ab 87 01 00 00 00 00 00 ................ backtrace: [] __kmalloc+0x4b/0x130 [] rt2800_probe_hw+0xc2b/0x1380 [rt2800lib] [] rt2800usb_probe_hw+0xe/0x60 [rt2800usb] [] rt2x00lib_probe_dev+0x21a/0x7d0 [rt2x00lib] [] rt2x00usb_probe+0x1be/0x980 [rt2x00usb] [] usb_probe_interface+0xe2/0x310 [usbcore] [] really_probe+0x1a5/0x410 [] __driver_probe_device+0x78/0x180 [] driver_probe_device+0x1e/0x90 [] __driver_attach+0xd2/0x1c0 [] bus_for_each_dev+0x77/0xd0 [] bus_add_driver+0x112/0x210 [] driver_register+0x5c/0x120 [] usb_register_driver+0x88/0x150 [usbcore] [] do_one_initcall+0x44/0x220 [] do_init_module+0x4c/0x220 Fix this by freeing the channel surveys on device removal. Tested with a RT3070 based USB wireless adapter.

CVE 信息

EPSS

EPSS 是一种预测漏洞被利用可能性的评分模型。

EPSS 评分

EPSS 模型生成一个介于 0 到 1(即 0% 到 100%)之间的概率评分。评分越高,漏洞被利用的可能性越大。

EPSS 百分位

百分位用于根据 EPSS 评分对 CVE 进行排名。例如,EPSS 百分位为第 95 的 CVE,其被利用的可能性高于 95% 的其他 CVE。因此,百分位可用于比较不同 CVE 的 EPSS 评分。

参考资料