CVE-2026-43190 netfilter: xt_tcpmss: check remaining length before reading optlen

In the Linux kernel, the following vulnerability has been resolved: netfilter: xttcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xttcpmss.c lines 53-68, the TCP option parser reads opi+1 directly without validating the remaining option length. If the last...

PT-2026-37530

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the TCP option parser within the net/netfilter/xt tcpmss.c file. The issue occurs when the code reads opi+1 without validating the remaining option length...