Red Hat Security Data

An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration. Security Fix(es): * 389-ds-base: sync_repl NULL pointer dereference in sync_create_state_control() (CVE-2021-3514) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * ACIs are being evaluated against the Replication Manager account in a replication context. (BZ#1968588) * A connection can...

An update for rpm is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.The RPM Package Manager (RPM) is a command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Security Fix(es): * rpm: Signature checks bypass via corrupted rpm package (CVE-2021-20271) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-3421: rpm: unsigned signature header leads to string injection into an rpm database * CVE-2021-20271: rpm: Signature checks bypass via corrupted rpm package

An update for libxml2 is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516) * libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517) * libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518) * libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537) * libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541) For more details about the security issue(s), including t...

An update for fwupd is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.The fwupd packages provide a service that allows session software to update device firmware. Security Fix(es): * grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled (CVE-2020-14372) * grub2: Use-after-free in rmmod command (CVE-2020-25632) * grub2: Out-of-bounds write in grub_usb_device_initialize() (CVE-2020-25647) * grub2: Stack buffer overflow in grub_parser_split_cmdline() (CVE-2020-27749) * grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled (CVE-2020-27779) * grub2: Heap out-of-bounds write in short form option parser (CVE-2021-20225) * grub2: Heap out-of-bo...

An update for lz4 is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.The lz4 packages provide support for LZ4, a very fast, lossless compression algorithm that provides compression speeds of 400 MB/s per core and scales with multicore CPUs. It also features an extremely fast decoder that reaches speeds of multiple GB/s per core and typically reaches RAM speed limits on multicore systems. Security Fix(es): * lz4: memory corruption due to an integer overflow bug caused by memmove argument (CVE-2021-3520) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-3520: lz4: m...

An update for kernel 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 from the CVE link(s) in the References section.The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034) * kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * [ESXi][RHEL-8] VMXNET3 v4 causes invalid checksums of inner packets of VXLAN tunnel (BZ#1960702) * fnic crash from invalid request pointer (BZ#1961705) * GFS2: Fai...

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: ruby (2.5.9). (BZ#1952626) Security Fix(es): * ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845) * ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201) * ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255) * rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663) * ruby: BasicSocket#...

An update for the python38:3.8 and python38-devel:3.8 modules is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * PyYAML: incomplete fix for CVE-2020-1747 (CVE-2020-14343) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2020-14343: PyYAML: incomplete fix for CVE-2020-1747...

An update for the ruby:2.7 module is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: ruby (2.7.3). (BZ#1951999) Security Fix(es): * ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613) * ruby: XML round-trip vulnerability in REXML (CVE-2021-28965) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * Resolv::DNS: ruby:2.7/ruby: timeouts if multip...

An update for edk2 is now available for Red Hat Enterprise Linux 8. 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 from the CVE link(s) in the References section.EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fix(es): * edk2: possible heap corruption with LzmaUefiDecompressGetInfo (CVE-2021-28211) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Related CVEs: * CVE-2021-28211: edk2: possible heap corruption with LzmaUefiDecompressGetInfo