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Category Archives: GNU/Linux

Everything about GNU+Linux security

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security update

USN-5037-1 caused a regression in Firefox.

Building a DevSecOps culture and shifting security left

An update that fixes one vulnerability is now available.

An update that fixes two vulnerabilities is now available.

An update that fixes one vulnerability is now available.

The container suse/sles12sp5 was updated. The following patches have been included in this update:

The container suse/sles12sp4 was updated. The following patches have been included in this update:

security update

security update

Several security issues were fixed in OpenSSL.

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. CVE-2021-3711

What You Need to Know About Linux Rootkits>

The container suse/sle15 was updated. The following patches have been included in this update:

Several security issues were fixed in the Linux kernel.

update to latest upstream release -fixes CVE-2021-38385

upstream release 1.13.1, including fix for CVE-2021-23358

An update that solves one vulnerability and has one errata is now available.

An update that fixes one vulnerability is now available.

An update that fixes 7 vulnerabilities is now available.

An update that solves two vulnerabilities and has three fixes is now available.

An update that solves two vulnerabilities and has two fixes is now available.

An update that fixes one vulnerability is now available.

An update that fixes one vulnerability is now available.

An issue has been found in ircii, an Internet Relay Chat client. A crafted CTCP UTC message could allow an attacker to disconnect the victim from an IRC server due to a segmentation fault and client crash.

Sync with F34 for CVE fixes.

Update to version 2.2.1. Resolves CVE-2021-38512 / RUSTSEC-2021-0081.

An update that fixes four vulnerabilities is now available.

An update that fixes one vulnerability is now available.

An update that fixes one vulnerability is now available.

An update that fixes 7 vulnerabilities is now available.

The 5.13.12 stable kernel update contains a number of important fixes across the tree.

– CVE-2021-37750 (explicit NULL deref on KDC)

Inetutils could be made to crash if it received specially crafted input.

Tails 4.22 Is Coming Soon! Contribute to Tails by Testing 4.22~rc1>

An update that fixes four vulnerabilities is now available.

An update that solves one vulnerability and has one errata is now available.

An update that solves one vulnerability and has two fixes is now available.

An update that fixes 7 vulnerabilities is now available.

An update that solves one vulnerability and has one errata is now available.

An update that contains security fixes can now be installed.

A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4 for Red Hat Enterprise Linux 7 and 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,

A potential security flaw was found on xscreensaver 5.45 which may cause buffer overflow or crash xscreensaver daemon. This vulnerability was assigned as CVE-2021-34557. This new rpm should fix this issue. Note that this issue does not affect xscreensaver 6.00 and above, so Fedora 34 xscreensaver is not affected.

Security fix for [CVE-2016-5851](https://nvd.nist.gov/vuln/detail/CVE-2016-5851). Updates to 0.8.11.

– fix CVE-2021-3246: a heap buffer overflow via crafted WAV file allows a arbitrary code execution

Security fix for [CVE-2016-5851](https://nvd.nist.gov/vuln/detail/CVE-2016-5851). Updates to 0.8.11.

security update

An update is now available for Red Hat build of Eclipse Vert.x. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability. For

Upstream details at : https://access.redhat.com/errata/RHSA-2021:3160

Upstream details at : https://access.redhat.com/errata/RHSA-2021:3154

Upstream details at : https://access.redhat.com/errata/RHSA-2021:3158

This update upgrades Firefox to version 78.13.0 ESR. * Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980) * Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984) * Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986) * Mozilla: Memory corruption as a result of […]

exiv2: Heap-based buffer overflow vulnerability in jp2image.cpp (CVE-2021-31291) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE – Scientific Linux Development Team

Several security issues were fixed in HAProxy.

Several vulnerabilities were discovered in HAProxy, a fast and reliable load balancing reverse proxy, which can result in HTTP request smuggling. By carefully crafting HTTP/2 requests, it is possible to smuggle another HTTP request to the backend selected by the HTTP/2

sssd: shell command injection in sssctl (CVE-2021-3621) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE – Scientific Linux Development Team

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) * kernel: race condition for removal of the HCI controller (CVE-2021-32399) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other relate [More…]

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) * kernel: race condition for removal of the HCI controller (CVE-2021-32399) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other relate [More…]

hw: Vector Register Data Sampling (CVE-2020-0548) * hw: L1D Cache Eviction Sampling (CVE-2020-0549) * hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543) * hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695) * hw: Vector Register Leakage-Active (CVE-2020-8696) * hw: Fast forward store predictor (CVE-2020-8698) * hw: vt-d related privilege escala [More…]

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. For Debian 9 stretch, these problems have been fixed in version

It was discovered that systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis (Spectre v2).

An update for exiv2 is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

Security Spotlight: Experience Enhanced Privacy & Security with Predator-OS>

An update that fixes one vulnerability is now available.

Updated sylpheed and claws-mail packages fix security vulnerability: The textview_uri_security_check() function in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click (CVE-2021-37746).

Updated thunderbird packages fix security vulnerabilities: Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash (CVE-2021-29980).

Updated qtwebengine5 packages fix security vulnerabilities: The qtwebengine5 package has been updated to version 5.15.5, fixing several security issues in the bundled chromium code.

Updated spice packages fix security vulnerability: A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code. For the stable distribution (bullseye), these problems have been fixed in

security update

security update

security update

The recent fix for CVE-2021-33574 released in MGASA-2021-0308 introduced a NULL pointer dereference that will result in segmentation fault. This update adds the missing NULL pointer check to resolve this issue. References:

Updated firefox packages fix security vulnerabilities: Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash (CVE-2021-29980).

Updated mariadb packages fix security vulnerabilities: A security issue has been found in the InnoDB component of MariaDB before version 10.6.4. A difficult to exploit vulnerability allows a high privileged attacker with network access via multiple protocols to

Updated dino packages fix security vulnerability: Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators (CVE-2021-33896).

Updated webkit2 packages fix security vulnerabilities: A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further

Updated libvirt packages fix security vulnerability: insecure sVirt label generation (CVE-2021-3631). References:

Understanding and verifying security of Diffie-Hellman parameters
Use automated snapshots to defend against ransomware with NetApp and Red Hat Ansible Automation Platform

An update that fixes three vulnerabilities is now available.

An update that fixes one vulnerability is now available.

Several vulnerabilities were fixed in curl, a client-side URL transfer library. CVE-2021-22898

Fedora 33 Fixed 1984005 Fedora 34 – Fixed CVE-2021-36770 – Ensure that UTF-16 decode always includes a trailing NUL. – Replace non-ASCII apostrophes w/ x27, which were introduced in #155 – Addressed: find_encoding returns Internal encoding `Unicode` is no longer a valid encoding name.

security update

security update

The system could be made to crash or run programs as an administrator.

Lukas Euler discovered a path traversal vulnerability in commons-io, a Java library for common useful IO related classes. When invoking the method FileNameUtils.normalize with an improper input string, like “//../foo”, or “\..foo”, the result would be the same value, thus possibly providing access

An update that solves 5 vulnerabilities, contains one feature and has one errata is now available.

An update that fixes 5 vulnerabilities is now available.

An update that fixes one vulnerability, contains one feature is now available.

Using RHEL System Roles to automate and manage Network Bound Disk Encryption

USN-3809-1 introduced a regression in OpenSSH.

An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

An update for rh-dotnet50-dotnet is now available for .NET Core on Red Hat Enterprise Linux. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,

Philipp Jeitner and Haya Shulman discovered a stack-based buffer overflow in libspf2, a library for validating mail senders with SPF, which could result in denial of service, or potentially execution of arbitrary code when processing a specially crafted SPF record.