-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:0114-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0114 Issue date: 2023-01-12 CVE Names: CVE-2022-2964 CVE-2022-4139 ===================================================================== 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 for NFV (v. 8) - x86_64 Red Hat Enterprise Linux for Real Time (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: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964) * kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139) 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): * The latest RHEL 8.7.z1 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2137411) * [DELL EMC 8.6-RT BUG] System is not booting into RT Kernel with perc12. (BZ#2139867) 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/): 2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device. 2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 8): Source: kernel-rt-4.18.0-425.10.1.rt7.220.el8_7.src.rpm x86_64: kernel-rt-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-core-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-core-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-devel-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-kvm-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-modules-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debuginfo-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-devel-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-kvm-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-modules-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-modules-extra-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm Red Hat Enterprise Linux for Real Time (v. 8): Source: kernel-rt-4.18.0-425.10.1.rt7.220.el8_7.src.rpm x86_64: kernel-rt-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-core-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-core-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-debuginfo-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-devel-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-modules-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debug-modules-extra-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debuginfo-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-devel-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-modules-4.18.0-425.10.1.rt7.220.el8_7.x86_64.rpm kernel-rt-modules-extra-4.18.0-425.10.1.rt7.220.el8_7.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-2022-2964 https://access.redhat.com/security/cve/CVE-2022-4139 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 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY7/jAtzjgjWX9erEAQhnKg//UYktJzLxcCq9/muMdr2bc0okwpJuoXPX JsYZ5YK/IkGX3/b7yqmrdXd3pEm/gLhANI4t9AvcSV2xbJVCyDbcGSz62P2NRI/k E4Rf+qGenUeGmez9T/FojeEU0vkpsogRuCGb0T69j77lVdoNdublAxdfz/UdVDz9 K2KMIDkLxBuQYmAkTqCIqBjXm/dkQWJADwUegbP12akZ8x0wpVSPdpxvV9UUPKMz AluaBqgA/kjznqxHGNFubpAqLfgHl5BVGhX8eK7UrXdDbXNtEfdT6dHbGVqBxm2L ZLifoT0hWJqUseM/aIEMKJGnS8Hg78Mvj1WHUa58n3ieQSt5sfBqlTaEY5u2f+DT Tlnss59pV6ArHSdG3wcj3u2vBxePtvPt7xtFT6uwaP6MwyHHPyg/K5ttsJXt1AAl pglIYnqai5sWqbXS16vJCMbbAoM2obgqefh55RwqyzzdEEthTvJKEvPZrSVi/3wv Vv6jgEI8NSRWFLF81ZbGrDyr12WHvq25c6lYuNr2RvZipFCmcE4V7lp9ujXytfZd f1Id/aBE9ankE2C9a8jGwD9g0qI3Z5U/x/r2n+AByXnS9xuNf+otwK8DCxCgciJG TuuQ+7Ki5ETHHuEn8cKmh6xJKIr+4d8xC083JvD9E2WQBQo0iRMMs+Dhi7yP6sSh NVRYfRyxVzA= =EhaD -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce