CVE-2024-50268 — Out-of-bounds Read in Linux
Severity
7.1HIGHNVD
OSV8.8OSV7.8OSV5.5
EPSS
0.0%
top 97.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 19
Latest updateAug 14
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: fix potential out of bounds in ucsi_ccg_update_set_new_cam_cmd()
The "*cmd" variable can be controlled by the user via debugfs. That means
"new_cam" can be as high as 255 while the size of the uc->updated[] array
is UCSI_MAX_ALTMODES (30).
The call tree is:
ucsi_cmd() // val comes from simple_attr_write_xsigned()
-> ucsi_send_command()
-> ucsi_send_command_common()
-> ucsi_run_command() // calls ucsi->ops->sync_co…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2
Affected Packages11 packages
▶CVEListV5linux/linux170a6726d0e266f2c8f306e3d61715c32f4ee41e — d76923164705821aa1b01b8d9d1741f20c654ab4+6