FreeBSD -- AIO credential reference count leak

Problem Description: The aioaqueue function, used by the liolistio system call, fails to release a reference to a credential in an error case. Impact: An attacker may cause the reference count to overflow, leading to a use after free UAF...

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.

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(Pwn2Own) Unified Automation OPC UA C++ Improper Update of Reference Count Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUaSecureListenerProcessSessionCallRequest...

DEBIAN-CVE-2022-32082

MariaDB v10.5 to v10.7 was discovered to contain an assertion failure at table-getrefcount == 0 in dict0dict.cc...

CVE-2022-32082

MariaDB v10.5 to v10.7 was discovered to contain an assertion failure at table-getrefcount == 0 in dict0dict.cc...

MariaDB 安全漏洞

MariaDB is a free and open source database management system from the Mariadb Foundation and a version of the MySQL branch that uses the Maria storage engine.MariaDB has a security vulnerability that stems from an assertion error found at table-getrefcount == 0 in dict0dict.cc. No details of the...

GSD-2022-1003292 ksmbd: fix reference count leak in smb_check_perm_dacl()

ksmbd: fix reference count leak in smbcheckpermdacl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.47 by commit...

CVE-2022-26364

x86 pv: Insufficient care with non-coherent mappings This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to...

Race condition

x86 pv: Race condition in typeref acquisition Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to maintain invariants required for Xen's safety, e.g. PV guests may not have direct writeable access to pagetables; updates need auditing by...

CVE-2022-26362

x86 pv: Race condition in typeref acquisition Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to maintain invariants required for Xen's safety, e.g. PV guests may not have direct writeable access to pagetables; updates need auditing by...

CVE-2022-26364

x86 pv: Insufficient care with non-coherent mappings This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5442-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5442-2 advisory. Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in som...

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.

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AZL-12132 CVE-2022-29581 affecting package kernel for versions less than 5.15.86.1-1

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions...

CVE-2022-29581

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in Linux kernel versions 4.14 through 5.18, which stems from an improperly updated reference count in net/sched. A local attacker can exploit the vulnerability to elevate...

SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2022:1686-1)

The remote SUSE Linux SLED12 / SLEDSAP12 / SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1686-1 advisory. The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following...

CVE-2022-29581

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions...

UBUNTU-CVE-2022-29581

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions...

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...