Ubuntu: Security Advisory (USN-6386-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

The vulnerability of the l2cap_sock_release function (net/bluetooth/l2cap_sock.c) in the Linux operating system’s kernel allows a attacker to cause a service failure or exert other adverse effects.

The vulnerability of the l2capsockrelease function net/bluetooth/l2capsock.c in Linux operating system kernels is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to cause service failures or have other adverse effects...

DEBIAN-CVE-2023-40283

An issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled...

UBUNTU-CVE-2023-40283

An issue was discovered in l2capsockrelease in net/bluetooth/l2capsock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled...

kernel: tipc: fix a null-ptr-deref in tipc_topsrv_accept

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

USN-5935-1 linux-ibm, linux-raspi vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5912-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

PT-2024-11880

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential socket leak issue has been identified in the Linux kernel, specifically in the p9 socket open function within the net/9p module. The issue arises when p9 fd create tcp and p9...

PT-2025-41060

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the tipc topsrv accept function that can lead to a null pointer dereference. This issue was discovered by syzbot during testing. The root cause is tha...

kernel: bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data

A reference-count flaw was found in the Linux kernel Berkeley Packet Filter BPF sockmap implementation. When processing messages with remaining data, the same Transmission Control Protocol TCP socket reference could be released more than once. A local user running BPF sockmap programs could use...

kernel: missing check in can/bcm and can/raw socket releases

The bcmrelease function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service NULL pointer dereference or possibly have unspecified other impact via a crafted release operation...

kernel: missing check in can/bcm and can/raw socket releases

The rawrelease function in net/can/raw.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service NULL pointer dereference or possibly have unspecified other impact via a crafted release operation...

kernel: missing check in can/bcm and can/raw socket releases

The rawrelease function in net/can/raw.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service NULL pointer dereference or possibly have unspecified other impact via a crafted release operation...