PT-2022-35052 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue is related to the io uring/rw component, where fsnotify calls are not properly deferred to the task context. This could potentially lead to security vulnerabilities, although the...

PT-2022-35698 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.220 Description: The issue is related to the io uring/af unix component, where the garbage collection of registered files is deferred to the io uring release. This is an automated ID intended to aid in the...

PT-2022-35579 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.150 Description: The issue is related to io uring/af unix, where registered files gc is deferred to io uring release. The actual impact and attack plausibility have not yet been proven. Recommendations: Fo...

OESA-2022-2069 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: The vulnerability is a use-after-free that happens when an iouring request is being processed on a registered file and the Unix GC runs and frees the iouring fd and all the registered fds. The order at which the Unix GC processes...

OESA-2022-2070 kernel security update

Security Fixes: The vulnerability is a use-after-free that happens when an iouring request is being processed on a registered file and the Unix GC runs and frees the iouring fd and all the registered fds. The order at which the Unix GC processes the inflight fds may lead to registered fds be free...

SUSE SLES15: cluster-md-kmp-azure / dlm-kmp-azure / gfs2-kmp-azure / etc (SUSE-SU-2022:3897-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3897-1 advisory. The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following...

CVE-2022-2602

A flaw was found in the Linux kernel. A race issue occurs between an iouring request and the Unix socket garbage collector, allowing an attacker local privilege escalation...

Ubuntu 20.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-5706-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5706-1 advisory. It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose...

USN-5706-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2...

USN-5703-1 linux-intel-iotg vulnerabilities

Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-188...

Ubuntu 22.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-5703-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5703-1 advisory. Selim Enes Karaduman discovered that a race condition existed in the General notification queue implementation of the Linux kernel, leading to a...

Privilege Escalation

linux is vulnerable to privilege escalation. The vulnerability exists because of a race condition existed in the iouring subsystem which allows a local attacker to execute code on the affected systems with elevated privileges...

Important: kernel

Issue Overview: A use-after-free flaw was found in the Linux kernel's Unix socket Garbage Collection and iouring. This flaw allows a local user to crash or potentially escalate their privileges on the system. CVE-2022-2602 A flaw was found in hw. The unprotected alternative channel of return bran...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.74 and fixes at least the following security issues: A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest V...

(Pwn2Own) Linux Kernel io_uring Improper Update of Reference Count Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the iouring API. The...

Linux kernel io_uring Privilege Escalation

The vulnerability of the asynchronous input/output interface iouring in Linux operating systems relates to the possibility of exploiting memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5691-1)

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-5691-1 advisory. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a...

USN-5693-1 linux-oem-5.17 vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-2602...

USN-5692-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oem-5.14, linux-oracle, linux-raspi vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-2602...

USN-5691-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-2602...