CVE-2020-27671

A flaw was found to occur in the Xen optimization to coalesce per-page IOMMU TLB flushes. This flaw allows malicious x86 HVM and PVH guests to cause host data corruption and data leaks, resulting in a denial of service DoS or potential privilege escalation. The highest threat from this...

unsafe AMD IOMMU page table updates

ISSUE DESCRIPTION AMD IOMMU page table entries are updated in a step by step manner, without regard to them being potentially in use by the IOMMU. Therefore it was possible that the IOMMU would read and then use a half-updated entry. Furthermore, updates to Device Table entries lacked suitable...

undue deferral of IOMMU TLB flushes

ISSUE DESCRIPTION To efficiently change the physical to machine address mappings of a larger range of addresses for fully virtualized guests, Xen contains an optimization to coalesce per-page IOMMU TLB flushes into a single, wider flush after all adjustments have been made. While this is fine to ...

Dynamic Data Resolver - Version 1.0.1 beta

By Holger Unterbrink. Cisco Talos is releasing a new beta version of Dynamic Data Resolver DDR today. This release comes with a new architecture for samples using multi-threading. The process and thread tracing has been completely reimplemented. We also fixed a few bugs and memory leaks. Another...

[SECURITY] [DSA 4774-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4774-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 19, 2020 https://www.debian.org/security/faq -...

MGASA-2020-0387 Updated php packages fix a security vulnerability

In PHP versions 7.2.x when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like Host confused with cookies that decode to such prefix, thus leading to an attacker being able to forge cookie which is supposed to be secure...

The Media Just Passed a Test It Failed Four Years Ago

In an interview with WIRED, Columbia Journalism School dean Steve Coll says the media has learned some important lessons since 2016 about covering stolen email leaks...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5879)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5879 advisory. - USB: serial: omninet: fix reference leaks at open Mark Nicholson Orabug: 30484762 CVE-2017-8925 - GFS2: don't set rgrp globject until it's insert...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2020-5881)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5881 advisory. - ath9khtc: release allocated buffer if timed out Navid Emamdoost Orabug: 31351574 CVE-2019-19073 - USB: serial: ioti: fix information leak in...

The vulnerability of the Adobe Photoshop graphic editor, related to reading beyond the buffer in memory, allows a hacker to execute arbitrary code.

The vulnerability of the Adobe Photoshop graphic editor is related to reading data beyond the buffer boundaries in memory. Exploiting this vulnerability can allow a malicious actor to execute arbitrary code in the context of the current user, as well as cause memory leaks...

libtiff security update

4.0.3-35 - Fix two resource leaks Related: 1771371 4.0.3-34 - Fix CVE-2019-17546 Resolves: 1771371 4.0.3-33 - Fix CVE-2019-14973 Resolves: 1755704...

Debian DSA-4769-1 : xen - security update

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, guest-to-host privilege escalation or information leaks. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debian Security Adviso...

[SECURITY] [DSA 4769-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4769-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 02, 2020 https://www.debian.org/security/faq -...

CVE-2020-26540

An issue was discovered in Foxit Reader and PhantomPDF before 4.1 on macOS. Because the Hardened Runtime protection mechanism is not applied to code signing, code injection or an information leak can occur...

kernel: Multiple memory leaks in the iwl_pcie_ctxt_info_gen3_init() function in drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c allows for a DoS

A flaw was found in the way the Intel Wireless driver in the Linux kernel handled resource cleanup during Gen 3 device initialization. This flaw allows an attacker with the ability to restrict access to DMA coherent memory on device initialization, to crash the system...

kernel: Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c allow for a DoS

A flaw was found in the Linux kernel. The rtlusbprobe function mishandles resource cleanup on error. An attacker able to induce the error conditions could use this flaw to crash the system. The highest threat from this vulnerability is to system availability...

kernel: Multiple memory leaks in the iwl_pcie_ctxt_info_gen3_init() function in drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c allows for a DoS

A flaw was found in the way the Intel Wireless driver in the Linux kernel handled resource cleanup during Gen 3 device initialization. This flaw allows an attacker with the ability to restrict access to DMA coherent memory on device initialization, to crash the system...

kernel: Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c allow for a DoS

A flaw was found in the Linux kernel. The rtlusbprobe function mishandles resource cleanup on error. An attacker able to induce the error conditions could use this flaw to crash the system. The highest threat from this vulnerability is to system availability...

RHEL 7 : kernel-rt (RHSA-2020:4062)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4062 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 7 : libxml2 (RHSA-2020:3996)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3996 advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: memory leak in...