Ubuntu 18.04 LTS : Linux kernel (AWS) vulnerabilities (USN-5682-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5682-1 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...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5677-1)

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-5677-1 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...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the putdevice down a bit to avoid the use after free. wsa: added comment to the code, added Fixes...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5668-1)

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-5668-1 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...

ROS-20220919-01

A vulnerability in the Linux kernel's implementation of the CAN BCM protocol is caused by synchronization errors when utilizing a shared resource. Exploitation of the vulnerability could allow an attacker to escalate their privileges Vulnerability of the legacyparseparam function of the Linux...

DEBIAN-CVE-2021-4159

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

DEBIAN-CVE-2021-4204

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

CVE-2021-4204

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

CVE-2021-4159

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

CVE-2021-4204

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

CVE-2021-4159

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

Input validation

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

CVE-2021-4159

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

Memory corruption

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

CVE-2021-4159

CVE-2021-4159 is described in connected documents as a Linux kernel EBPF verifier flaw that could allow a local attacker to leak internal kernel memory by causing uninitialized or sensitive data to be exposed to userspace when handling internal data structures during eBPF code insertion. The issu...

CVE-2021-4159

A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating som...

CVE-2021-4204

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

CVE-2021-4204

Technical details for CVE-2021-4204 are not publicly provided in the supplied documents. Please monitor for updates from connected sources; current materials mention a Linux kernel memory access flaw but do not specify affected versions or fixes here.

CVE-2021-4204

An out-of-bounds OOB memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information...

The vulnerability of the eBPF subsystem in the Linux operating system allows a hacker to disclose protected information.

The vulnerability of the eBPF subsystem in the Linux operating system is related to the lack of protection for service data. Exploiting this vulnerability can allow an attacker to disclose the protected information...