CVE-2025-21749 net: rose: lock the socket in rose_bind()

In the Linux kernel, the following vulnerability has been resolved: net: rose: lock the socket in rosebind syzbot reported a soft lockup in roseloopbacktimer, with a repro calling bind from multiple threads. rosebind must lock the socket to avoid this issue...

CVE-2024-58009 Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

CVE-2025-21718 net: rose: fix timer races against user threads

In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if needed. BUG: KASAN: slab-use-after-free...

CVE-2025-21718

CVE-2025-21718 affects the Linux kernel Rose timer handling. The issue arises when Rose timers acquire only the socket spinlock and do not verify socket ownership, enabling a race against user threads. The described fix adds a socket ownership check and rearms timers as needed, addressing a KASAN...

CVE-2025-21718 net: rose: fix timer races against user threads

In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if needed. BUG: KASAN: slab-use-after-free...

CVE-2025-21710 tcp: correct handling of extreme memory squeeze

In the Linux kernel, the following vulnerability has been resolved: tcp: correct handling of extreme memory squeeze Testing with iperf3 using the "pasta" protocol splicer has revealed a problem in the way tcp handles window advertising in extreme memory squeeze situations. Under memory pressure, ...

CVE-2025-21710 tcp: correct handling of extreme memory squeeze

In the Linux kernel, the following vulnerability has been resolved: tcp: correct handling of extreme memory squeeze Testing with iperf3 using the "pasta" protocol splicer has revealed a problem in the way tcp handles window advertising in extreme memory squeeze situations. Under memory pressure, ...

CVE-2025-21711 net/rose: prevent integer overflows in rose_setsockopt()

In the Linux kernel, the following vulnerability has been resolved: net/rose: prevent integer overflows in rosesetsockopt In case of possible unpredictably large arguments passed to rosesetsockopt and multiplied by extra values on top of that, integer overflows may occur. Do the safest minimum an...

CVE-2024-57974

The CVE-2024-57974 entry describes a race in the Linux kernel UDP path: if a UDP socket changes its local address during a receive after connect(), a secondary hash/tuple hash update may not complete in time, causing lookups to fail and potentially returning ECONNREFUSED. The issue arises from th...

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...

CVE-2024-57974 udp: Deal with race between UDP socket address change and rehash

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...

CVE-2024-57974 udp: Deal with race between UDP socket address change and rehash

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...

Linux Kernel Security Vulnerabilities

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 Linux kernel that stems from an unlocked socket in the rosebind function, which could lead to a soft lockup...

Linux Kernel Security Vulnerabilities

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 the Bluetooth: L2CAP module not handling null pointers in the l2capsockalloc function...

Linux Kernel Security Vulnerabilities

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 the rkcanfdhandlerxfifooverflowint function failing to properly handle a skb allocation failure, which could...

CVE-2024-57974: Concurrent Execution using Shared Resource with Improper Synchronization

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...

Linux Kernel Resource Management Vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from vsock not properly retaining bindings during transfer reallocation, leading to reuse after...

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...

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...

DEBIAN-CVE-2022-49669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...