PT-2024-26824 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the Linux kernel, specifically with loading 64-bit NOMMU kernels past the start of RAM. A commit added logic to allow using RAM below the kernel load address, but th...

RHEL 8 : python3 (RHSA-2024:0586)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0586 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

Wordfence Researcher Featured on Critical Thinking Podcast: Sharing Advanced WordPress Bug Bounty Tips and Tricks

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through February 29th, 2024 when you opt to have Wordfence handle responsible disclosure! Today was another huge step forward in our continuing mission ...

Linux 5.6 io_uring Cred Refcount Overflow Exploit

Linux versions 5.6 and above appear to suffer from a cred refcount overflow when handling approximately 39 gigabytes of memory usage via iouring. Linux =5.6: cred refcount overflow at 39 GiB memory usage via iouring see also my related prior bug reports about overflowing refcounts with lots of RA...

RHEL 8 : python3 (RHSA-2024:0114)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0114 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

CentOS 8 : python3 (CESA-2024:0114)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2024:0114 advisory. - A use-after-free exists in Python through 3.9 via heappushpop in heapq. CVE-2022-48560 - readints in plistlib.py in Python through 3.9.1 is vulnerabl...

CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

DEBIAN-CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

ALPINE-CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

Code injection

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

CVE-2023-46835 x86/AMD: mismatch in IOMMU quarantine page table levels

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

Integer overflow

Matrix SSL 4.x through 4.6.0 and Rambus TLS Toolkit have a length-subtraction integer overflow for Client Hello Pre-Shared Key extension parsing in the TLS 1.3 server. An attacked device calculates an SHA-2 hash over at least 65 KB in RAM. With a large number of crafted TLS messages, the CPU...

Information disclosure

The FACSChorus workstation does not prevent physical access to its PCI express PCIe slots, which could allow a threat actor to insert a PCI card designed for memory capture. A threat actor can then isolate sensitive information such as a BitLocker encryption key from a dump of the workstation RAM...

Ubuntu 16.04 ESM / 18.04 ESM : Python vulnerabilities (USN-6513-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6513-1 advisory. It was discovered that Python incorrectly handled certain plist files. If a user or an automated system were tricked into processing a...

SUSE CVE-2023-46835

The current setup of the quarantine page tables assumes that the quarantine domain domio has been initialized with an address width of DEFAULTDOMAINADDRESSWIDTH 48 and hence 4 page table levels. However domio being a PV domain gets the AMD-Vi IOMMU page tables levels based on the maximum hot...

CVE-2022-23820

Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution...

kernel: drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram()

A flaw was found in the Linux kernel's AMD Kernel Fusion Driver AMDKFD. In specific error conditions, an object holding a NULL value is used, causing a NULL pointer dereference and resulting in a denial of service...

AMD EPYC Security Vulnerability

AMD EPYC is a line of x86 architecture server microprocessors from AMD, known in Chinese as "霄龙", which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC, which stems from the fact that improperly clearing sensitive data from the ASP boot loader could expose keys to ...

kernel: drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram()

A flaw was found in the Linux kernel's AMD Kernel Fusion Driver AMDKFD. In specific error conditions, an object holding a NULL value is used, causing a NULL pointer dereference and resulting in a denial of service...