SUSE CVE-2021-47591

In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCPULP setsockopt cannot be used for mptcp because its already used internally to plumb subflow tcp sockets to the mptcp layer. syzbot managed to trigger a crash for mptcp connections that...

CVE-2021-47591 mptcp: remove tcp ulp setsockopt support

In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCPULP setsockopt cannot be used for mptcp because its already used internally to plumb subflow tcp sockets to the mptcp layer. syzbot managed to trigger a crash for mptcp connections that...

PT-2021-27216

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.11 Description The issue concerns the removal of TCP ULP setsockopt support in mptcp. It was introduced in version v5.13 and fixed in Linux Kernel version v5.15.11. The actual impact and attack plausibility...