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CVE-2024-46760— wifi: rtw88: usb: schedule rx work after everything is set up

EPSS 0.04% · P13
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I. Basic Information for CVE-2024-46760

Vulnerability Information
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Vulnerability Title
wifi: rtw88: usb: schedule rx work after everything is set up
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: schedule rx work after everything is set up Right now it's possible to hit NULL pointer dereference in rtw_rx_fill_rx_status on hw object and/or its fields because initialization routine can start getting USB replies before rtw_dev is fully setup. The stack trace looks like this: rtw_rx_fill_rx_status rtw8821c_query_rx_desc rtw_usb_rx_handler ... queue_work rtw_usb_read_port_complete ... usb_submit_urb rtw_usb_rx_resubmit rtw_usb_init_rx rtw_usb_probe So while we do the async stuff rtw_usb_probe continues and calls rtw_register_hw, which does all kinds of initialization (e.g. via ieee80211_register_hw) that rtw_rx_fill_rx_status relies on. Fix this by moving the first usb_submit_urb after everything is set up. For me, this bug manifested as: [ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped [ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status because I'm using Larry's backport of rtw88 driver with the NULL checks in rtw_rx_fill_rx_status.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux e3037485c68ec1a299ff41160d8fedbd4abc29b9 ~ c83d464b82a8ad62ec9077637f75d73fe955635a -
LinuxLinux 5.2 -

II. Public POCs for CVE-2024-46760

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III. Intelligence Information for CVE-2024-46760

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Same Patch Batch · Linux · 2024-09-18 · 85 CVEs total

CVE-2024-46770ice: Add netif_device_attach/detach into PF reset flow
CVE-2024-46781nilfs2: fix missing cleanup on rollforward recovery error
CVE-2024-46768hwmon: (hp-wmi-sensors) Check if WMI event data exists
CVE-2024-46769spi: intel: Add check devm_kasprintf() returned value
CVE-2024-46767net: phy: Fix missing of_node_put() for leds
CVE-2024-46765ice: protect XDP configuration with a mutex
CVE-2024-46763fou: Fix null-ptr-deref in GRO.
CVE-2024-46762xen: privcmd: Fix possible access to a freed kirqfd instance
CVE-2024-46761pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv
CVE-2024-46764bpf: add check for invalid name in btf_name_valid_section()
CVE-2024-46771can: bcm: Remove proc entry when dev is unregistered.
CVE-2024-46772drm/amd/display: Check denominator crb_pipes before used
CVE-2024-46773drm/amd/display: Check denominator pbn_div before used
CVE-2024-46774powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas()
CVE-2024-46775drm/amd/display: Validate function returns
CVE-2024-46776drm/amd/display: Run DC_LOG_DC after checking link->link_enc
CVE-2024-46777udf: Avoid excessive partition lengths
CVE-2024-46778drm/amd/display: Check UnboundedRequestEnabled's value
CVE-2024-46779drm/imagination: Free pvr_vm_gpuva after unlink
CVE-2024-46780nilfs2: protect references to superblock parameters exposed in sysfs

Showing top 20 of 85 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-46760

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