CVE-2025-68362 — Out-of-bounds Read in Linux
Severity
7.8HIGHOSV
OSV7.2
No vectorEPSS
0.1%
top 83.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 24
Latest updateApr 17
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187_rx_cb()
The rtl8187_rx_cb() calculates the rx descriptor header address
by subtracting its size from the skb tail pointer.
However, it does not validate if the received packet
(skb->len from urb->actual_length) is large enough to contain this
header.
If a truncated packet is received, this will lead to a buffer
underflow, reading memory before the start of the …