CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53686

CVE-2023-53686: Linux kernel vulnerability in net/handshake/netlink.c fix null-ptr-deref in handshake_nl_done_doit(); ensures trace_handshake_cmd_done_err() is not called if socket lookup fails and is invoked before releasing the file to avoid dereferencing sock->sk. Affects kernel networking ...

EUVD-2025-32731

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

CVE-2023-53686 net/handshake: fix null-ptr-deref in handshake_nl_done_doit()

In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if socket lookup has failed. Also we should call tracehandshakecmddoneerr before releasing the file, otherwise dereferencing...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-397062)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-397062 advisory. In the Linux kernel, the following vulnerability has been resolved: gtp: fix a potential NULL pointer dereference When sockfdlookup fails, gtpencapenablesocket retur...

PT-2025-41130

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.0-rc7-syzkaller-gfe4469582053 Description The Linux kernel contains a flaw in the net/handshake/netlink.c component, specifically within the handshake nl done doit function. This issue can lead to a null...

CVE-2023-53585 bpf: reject unhashed sockets in bpf_sk_assign

In the Linux kernel, the following vulnerability has been resolved: bpf: reject unhashed sockets in bpfskassign The semantics for bpfskassign are as follows: sk = somelookupfunc bpfskassignskb, sk bpfskreleasesk That is, the sk is not consumed by bpfskassign. The function therefore needs to make...

SUSE CVE-2023-53496

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Use alternate source for socket to node data The UV code attempts to build a set of tables to allow it to do bidirectional socketnode lookups. But when nrcpus is set to a smaller number than actually present, the...

UBUNTU-CVE-2023-53496

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Use alternate source for socket to node data The UV code attempts to build a set of tables to allow it to do bidirectional socketnode lookups. But when nrcpus is set to a smaller number than actually present, the...

CVE-2025-37790

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

CVE-2025-37790 net: mctp: Set SOCK_RCU_FREE

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCKRCUFREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup...

PT-2025-18470

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the net: mctp module, where the bind lookup runs under RCU Read-Copy Update. To prevent a socket from being...

DEBIAN-CVE-2024-57974

In the Linux kernel, the following vulnerability has been resolved: udp: Deal with race between UDP socket address change and rehash If a UDP socket changes its local address while it's receiving datagrams, as a result of connect, there is a period during which a lookup operation might fail to fi...

DEBIAN-CVE-2022-49697

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

UBUNTU-CVE-2022-49697

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

CVE-2022-49697 bpf: Fix request_sock leak in sk lookup helpers

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

CVE-2022-49697

CVE-2022-49697 concerns a leak in the Linux kernel caused by a BPF lookup path that could leak a request_sock. The issue occurs when a BPF program performs a socket lookup that takes a refcnt on the socket and, after locating the child request_socket, returns the parent LISTEN socket via sk_to_fu...

CVE-2022-49697

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a requestsock leak in the sk lookup helper...

PT-2025-20832

Name of the Vulnerable Software and Affected Versions: Debian Linux affected versions not specified Description: The issue concerns file existence tests via socket lookup error messages, potentially affecting the screen package in Debian Linux. No information is provided about the estimated numbe...