K16011: Linux kernel vulnerability CVE-2012-6657

Security Advisory Description The socksetsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service system crash by leveraging the ability to create a raw...

CVE-2021-4203

A use-after-free read flaw was found in sockgetsockopt in net/core/sock.c due to SOPEERCRED and SOPEERGROUPS race with listen and connect in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information...

CVE-2021-4203

A use-after-free read flaw was found in sockgetsockopt in net/core/sock.c due to SOPEERCRED and SOPEERGROUPS race with listen and connect in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information...

CVE-2021-4203

CVE-2021-4203 is a Linux kernel use-after-free read flaw in sock_getsockopt() triggered by a race between SO_PEERCRED/SO_PEERGROUPS and listen()/connect(). An authenticated local attacker could crash the system or leak kernel information. The connected IBM advisories document affected products (I...

Linux kernel denial of service vulnerability (CNVD-2022-69201)

Linux kernel is the kernel used by the Linux Foundation's open source operating system, Linux. Linux kernel is vulnerable to a denial-of-service vulnerability caused by a "use before read" flaw in the sockgetsockopt function in net/core/sock.c. " flaw in the sockgetsockopt function in...

CVE-2021-4203

A use-after-free read flaw was found in sockgetsockopt in net/core/sock.c due to SOPEERCRED and SOPEERGROUPS race with listen and connect in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information. Mitigation Mitigation for this...

CVE-2012-6704

CVE-2012-6704 affects the Linux kernel prior to 3.5. The sock_setsockopt path in net/core/sock.c mishandles negative values for sk_sndbuf/sk_rcvbuf, enabling a local attacker with CAP_NET_ADMIN to trigger memory corruption and a possible denial of service (memory corruption/system crash). Affecte...