CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.2. It affects Linux.
CVE
CVE-2026-43452
Severity
HIGH
CVSS
8.2
EPSS
0.44%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: guard option walkers against 1-byte tail reads When the last byte of options is a non-single-byte option kind, walkers that advance with i += op[i + 1] ? : 1 can read op[i + 1] past the end of the option area. Add an explicit i == optlen - 1 check before dereferencing op[i + 1] in xt_tcpudp and xt_dccp option walkers.
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