kernel: ndisc: use RCU protection in ndisc_alloc_skb()

A vulnerability was found in the Linux kernel's IPv6 Neighbor Discovery NDISC subsystem, which manages network neighbor information. The issue arises from improper synchronization mechanisms when allocating socket buffers skbuff in the ndiscallocskb function. Specifically, the function can be...

CVE-2025-52570: Improper Control of Interaction Frequency

Letmein is an authenticating port knocker. Prior to version 10.2.1, The connection limiter is implemented incorrectly. It allows an arbitrary amount of simultaneously incoming connections TCP, UDP and Unix socket for the services letmeind and letmeinfwd. Therefore, the command line option...

iputils security update

20210202-11.0.1.1 - Upstream backport 'ping: Add SARESTART to saflags' Orabug: 34573399 20210202-11.1 - Fix CVE-2025-47268 iputils: Signed Integer Overflow in Timestamp Multiplication in iputils ping RHEL-94335 20210202-11 - ping: Fix ping6 binding to VRF and address RHEL-57734 20210202-10 -...

Linux RPC Protocol Heap Buffer Overflow DoS

The vulnerability of the svccreatesocket function in the net/sunrpc/svcsock.c module of the Linux operating system’s RPC implementation is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Improper Access Control in Socket.IO Event Handlers Allows Unauthenticated Execution of Sensitive Actions

1. Summary Vulnerability: Unauthenticated Access to Sensitive Socket.IO Events Affected Component: lollmsgenerationevents.py in the lollms server Root Cause: Sensitive actions exposed via Socket.IO events lack authentication and authorization checks, and the application relies on insecure global...

CVE-2025-38079

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

SUSE CVE-2022-49972

In the Linux kernel, the following vulnerability has been resolved: xsk: Fix corrupted packets for XDPSHAREDUMEM Fix an issue in XDPSHAREDUMEM mode together with aligned mode where packets are corrupted for the second and any further sockets bound to the same umem. In other words, this does not...

SUSE CVE-2025-38035

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: don't restore null skstatechange queue-statechange is set as part of nvmettcpsetqueuesock, but if the TCP connection isn't established when nvmettcpsetqueuesock is called then queue-statechange isn't set and...

SUSE CVE-2025-38057

In the Linux kernel, the following vulnerability has been resolved: espintcp: fix skb leaks A few error paths are missing a kfreeskb...

DEBIAN-CVE-2022-50073

In the Linux kernel, the following vulnerability has been resolved: net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null Fixes a NULL pointer derefence bug triggered from tap driver. When tapgetuser calls virtionethdrtoskb the skb-dev is null in tap.c skb-dev is set aft...

DEBIAN-CVE-2022-50071

In the Linux kernel, the following vulnerability has been resolved: mptcp: move subflow cleanup in mptcpdestroycommon If the mptcp socket creation fails due to a CGROUPINETSOCKCREATE eBPF program, the MPTCP protocol ends-up leaking all the subflows: the related cleanup happens in mptcpdestroysock...

DEBIAN-CVE-2022-50003

In the Linux kernel, the following vulnerability has been resolved: ice: xsk: prohibit usage of non-balanced queue id Fix the following scenario: 1. ethtool -L $IFACE rx 8 tx 96 2. xdpsock -q 10 -t -z Above refers to a case where user would like to attach XSK socket in txonly mode at a queue id...

CVE-2022-50003

In the Linux kernel, the following vulnerability has been resolved: ice: xsk: prohibit usage of non-balanced queue id Fix the following scenario: 1. ethtool -L $IFACE rx 8 tx 96 2. xdpsock -q 10 -t -z Above refers to a case where user would like to attach XSK socket in txonly mode at a queue id...

DEBIAN-CVE-2022-49998

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix locking in rxrpc's sendmsg Fix three bugs in the rxrpc's sendmsg implementation: 1 rxrpcnewclientcall should release the socket lock when returning an error from rxrpcgetcallslot. 2 rxrpcwaitfortxwindowintr will return...

DEBIAN-CVE-2022-49975

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't redirect packets with invalid pktlen Syzbot found an issue 1: fqcodeldrop try to drop a flow whitout any skbs, that is, the flow-head is null. The root cause, as the 2 says, is because that bpfprogtestrunskb run a bpf...

UBUNTU-CVE-2022-49979

In the Linux kernel, the following vulnerability has been resolved: net: fix refcount bug in skpsockget 2 Syzkaller reports refcount bug as follows: ------------ cut here ------------ refcountt: saturated; leaking memory. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

UBUNTU-CVE-2022-50071

In the Linux kernel, the following vulnerability has been resolved: mptcp: move subflow cleanup in mptcpdestroycommon If the mptcp socket creation fails due to a CGROUPINETSOCKCREATE eBPF program, the MPTCP protocol ends-up leaking all the subflows: the related cleanup happens in mptcpdestroysock...

UBUNTU-CVE-2022-50073

In the Linux kernel, the following vulnerability has been resolved: net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null Fixes a NULL pointer derefence bug triggered from tap driver. When tapgetuser calls virtionethdrtoskb the skb-dev is null in tap.c skb-dev is set aft...

CVE-2022-50073

In the Linux kernel, the following vulnerability has been resolved: net: tap: NULL pointer derefence in devparseheaderprotocol when skb-dev is null Fixes a NULL pointer derefence bug triggered from tap driver. When tapgetuser calls virtionethdrtoskb the skb-dev is null in tap.c skb-dev is set aft...

CVE-2022-50071

The CVE-2022-50071 issue affects the Linux kernel’s MPTCP implementation. The vulnerability arises when socket creation fails due to a CGROUP_INET_SOCK_CREATE eBPF program, causing leakage of subflows because cleanup was not invoked in that code path. The fix moves subflow cleanup into the mptcp_...