THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2021-46933 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear. ffs_data_clear is indirectly called from both ffs_fs_kill_sb and ffs_ep0_release, so it ends up being called twice when userland closes ep0 and then unmou

[NVD] CVE-2021-46933 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear. ffs_data_clear is indirectly called from both ffs_fs_kill_sb and ffs_ep0_release, so it ends up being called twice when userland closes ep0 and then unmou

lownvdPublished 2024-02-27

CVE-2021-46933 CVSS: 7.8 HIGH Published: 2024-02-27T10:15:07.807

In the Linux kernel, the following vulnerability has been resolved:

usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear.

ffs_data_clear is indirectly called from both ffs_fs_kill_sb and ffs_ep0_release, so it ends up being called twice when userland closes ep0 and then unmounts f_fs. If userland provided an eventfd along with f

Indicators of compromise

CVE-2021-46933cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-46933