Pufferüberlauf in kernel-rt
ID: | RHSA-2021:0004-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Mo, 4. Januar 2021, 13:17 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2020-25211 |
Applikationen: | RT-Preempt-Realtime-Patch |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2021:0004-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0004 Issue date: 2021-01-04 CVE Names: CVE-2020-25211 ===================================================================== 1. Summary: An update for kernel-rt 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux Real Time (v. 8) - x86_64 Red Hat Enterprise Linux Real Time for NFV (v. 8) - x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211) 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): * kernel-rt: update RT source tree to the RHEL-8.3.z source tree (BZ#1906140) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c 1906140 - kernel-rt: update RT source tree to the RHEL-8.3.z source tree 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 8): Source: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.src.rpm x86_64: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-kvm-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-kvm-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 8): Source: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.src.rpm x86_64: kernel-rt-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-core-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-devel-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm kernel-rt-modules-extra-4.18.0-240.10.1.rt7.64.el8_3.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2020-25211 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is |