-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2021:2190-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2190 Issue date: 2021-06-01 CVE Names: CVE-2020-0466 CVE-2020-12114 CVE-2020-12362 CVE-2020-28374 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. 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 EUS (v. 8.2) - x86_64 Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) - 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: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) * kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362) * kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374) * kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114) 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 latest RHEL-8.2.z9 Batch source tree (BZ#1949685) 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/): 1848652 - CVE-2020-12114 kernel: DoS by corrupting mountpoint reference counter 1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore 1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege 1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers 6. Package List: Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2): Source: kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.src.rpm x86_64: kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-kvm-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-kvm-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm Red Hat Enterprise Linux Real Time EUS (v. 8.2): Source: kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.src.rpm x86_64: kernel-rt-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-core-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debuginfo-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-devel-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-modules-4.18.0-193.56.1.rt13.106.el8_2.x86_64.rpm kernel-rt-modules-extra-4.18.0-193.56.1.rt13.106.el8_2.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-2020-0466 https://access.redhat.com/security/cve/CVE-2020-12114 https://access.redhat.com/security/cve/CVE-2020-12362 https://access.redhat.com/security/cve/CVE-2020-28374 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYLZav9zjgjWX9erEAQi9xBAAgcYFO6rKcnvYKjcJQhJj0kAB8fLOzP+7 s2K2b4dDVlvIPymiNiRFnAq/4aXHiC35xOmxgXbti5zdPIu7Ce/p0q3lUVEfaUui d6V7nNiU+46SwW5uy+ndhJWvWBGUFgBTBM/+81bksTXWfM5iJMMR8PKDVVOLZRHe bmakq2XpXjSLqhCNxM9hRCQJuYJq7fZNfCxyacCetORmU4fk6ERXqhDD1wQlKsLZ x+sD/OVAnj+/ZrqFOl1XnZ4k6sbDRWHWuxXOmbu9nk0V7vNuBSAC9tI+BaEbFeR0 mf5/g6zRymdbtdU6y1tPgJBGWrOtLw1RnmCcWgWizwacDFFB21rGSgezJHzs4mkK j3bCShuFJFl1EoU7U0KmTbzJDw70bL1vz+Lep7Jp2dKXfZr+07s64OxAnLtsvS0/ ljhnzVrWyBUT2ZcjQstlUsdVq+8etk5BhXI0seUPcMLTnc4DgxWMcl8zJSsa+DQz vLoR1JhmjRasooDNyJ4FkOG8YHdsclZ8GzvcCNAr2k5fXO9R5wJm54v5/MnLE7ew cSL3GQMJhe4a+052/aACl4jcJW1GTn116KAeo8pXLahTbRVEy64jIYTIaTnUG/L6 mxOaVDmpuWEp0ozLGVUora/uWMeaALbU1PmtbIftU34myWZlMv51rXyvw+AD00J+ VrWlF+zXBsA= =987W -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce