Linux Distros Unpatched Vulnerability : CVE-2021-47591

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCPULP setsockopt cannot be used for mptcp because...

SUSE-SU-2024:2939-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2021-47086: phonet/pep: refuse to enable an unbound pipe bsc1220952. - CVE-2021-47089: kfence: fix memory leak when cat kfence objects bsc1220958. -...

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

CVE-2021-47591 affects the Linux kernel. The vulnerability arises from the TCP_ULP setsockopt mechanism, which is no longer supported for MPTCP as it is already used internally to connect subflow sockets to the MPTCP layer. In syzbot testing, a crash (KASAN null dereference) was observed on mptcp...

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...