CVE-2025-21877 — Linux vulnerability
99 documents6 sources
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8OSV7.1OSV5.9OSV4.7
EPSS
0.1%
top 77.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 27
Latest updateOct 15
Description
In the Linux kernel, the following vulnerability has been resolved:
usbnet: gl620a: fix endpoint checking in genelink_bind()
Syzbot reports [1] a warning in usb_submit_urb() triggered by
inconsistencies between expected and actually present endpoints
in gl620a driver. Since genelink_bind() does not properly
verify whether specified eps are in fact provided by the device,
in this case, an artificially manufactured one, one may get a
mismatch.
Fix the issue by resorting to a usbnet utility func…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6