kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().

A use-after-free flaw was found in the Linux kernel’s TCP protocol in how a local user triggers a complex race condition during connection to the socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: mptcp: ensure snd_nxt is properly initialized on connect

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure sndnxt is properly initialized on connect Christoph reported a splat hinting at a corrupted snduna: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 mptcpcleanuna+0x4b3/0x620 net/mptcp/protocol.c:1005 Modules...

kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().

A use-after-free flaw was found in the Linux kernel’s TCP protocol in how a local user triggers a complex race condition during connection to the socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

Calibre 7.15.0 Python Code Injection Exploit

This Metasploit module exploits a Python code injection vulnerability in the Content Server component of Calibre version 6.9.0 through 7.15.0. Once enabled disabled by default, it will listen in its default configuration on all network interfaces on TCP port 8080 for incoming traffic, and does no...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-6949-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6949-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6950-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6950-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

RHEL 8 : kernel-rt (RHSA-2024:5102)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5102 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Calibre 7.15.0 Python Code Injection

class MetasploitModule 'Calibre Python Code Injection CVE-2024-6782', 'Description' = %q This module exploits a Python code injection vulnerability in the Content Server component of Calibre v6.9.0 - v7.15.0. Once enabled disabled by default, it will listen in its default configuration on all...

Logsign Unified SecOps Platform Directory Traversal Arbitrary File Deletion Vulnerability

This vulnerability allows remote attackers to delete arbitrary files on affected installations of Logsign Unified SecOps Platform. Authentication is required to exploit this vulnerability. The specific flaw exists within the HTTP API service, which listens on TCP port 443 by default. The issue...

AZL-47492 CVE-2024-42246 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xstcpsetupsocket When using a BPF program on kernelconnect, the call can return -EPERM. This causes xstcpsetupsocket to loop forever, filling up the syslog and causing the...

UBUNTU-CVE-2024-42246

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xstcpsetupsocket When using a BPF program on kernelconnect, the call can return -EPERM. This causes xstcpsetupsocket to loop forever, filling up the syslog and causing the...

Insecure Deserialization

com.xuxueli, xxl-rpc-core is vulnerable to Insecure Deserialization. The vulnerability is caused due to a missing validation while deserializing the user supplied data when a TCP server is set up using the Netty framework and the Hessian serialization mechanism. Attackers can abuse this to take...

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 originates in the net, sunrpc module in the xstcpsetupsocket, where the BPF program may return -EPERM if the connection...

CLSA-2024-1722977984 kernel: Fix of 16 CVEs

ima: Fix use-after-free on a dentry's dname.name CVE-2024-39494 - ima: define imamaxdigestdata struct without a flexible array variable - ima: detect changes to the backing overlay file - tcp: Use refcountincnotzero in tcptwskunique. CVE-2024-36904 - afunix: Fix garbage collector racing against...

CLSA-2024-1722977546 kernel: Fix of 15 CVEs

ima: Fix use-after-free on a dentry's dname.name CVE-2024-39494 - ima: define imamaxdigestdata struct without a flexible array variable - ima: detect changes to the backing overlay file - tcp: Use refcountincnotzero in tcptwskunique. CVE-2024-36904 - afunix: Fix garbage collector racing against...

SUSE CVE-2024-41066

In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Add tx check to prevent skb leak Below is a summary of how the driver stores a reference to an skb during transmit: txbufffreemapconsumerindex-skb = newskb; freemapconsumerindex = IBMVNICINVALIDMAP; consumerindex ++; Whe...

SUSE CVE-2024-42154

In the Linux kernel, the following vulnerability has been resolved: tcpmetrics: validate source addr length I don't see anything checking that TCPMETRICSATTRSADDRIPV4 is at least 4 bytes long, and the policy doesn't have an entry for this attribute at all neither does it for IPv6 but v6 is manual...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlanroutev6outbound helper CVE-2023-52796 In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix RPC client cleaned up the freed pipefs dentries CVE-2023-52803 In the Linux...

XXL-RPC Deserialization of Untrusted Data vulnerability

XXL-RPC is a high performance, distributed RPC framework. With it, a TCP server can be set up using the Netty framework and the Hessian serialization mechanism. When such a configuration is used, attackers may be able to connect to the server and provide malicious serialized objects that, once...

GHSA-F984-3WX8-GRP9 XXL-RPC Deserialization of Untrusted Data vulnerability

XXL-RPC is a high performance, distributed RPC framework. With it, a TCP server can be set up using the Netty framework and the Hessian serialization mechanism. When such a configuration is used, attackers may be able to connect to the server and provide malicious serialized objects that, once...