-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel-rt security and bug fix update Advisory ID: RHSA-2022:0065-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0065 Issue date: 2022-01-11 CVE Names: CVE-2020-25704 CVE-2020-36322 CVE-2021-42739 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 7. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux for Real Time (v. 7) - noarch, x86_64 Red Hat Enterprise Linux for Real Time for NFV (v. 7) - noarch, 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: perf_event_parse_addr_filter memory (CVE-2020-25704) * kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322) * kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739) 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 to the latest RHEL7.9.z11 source tree (BZ#2022891) 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/): 1895961 - CVE-2020-25704 kernel: perf_event_parse_addr_filter memory 1949560 - CVE-2020-36322 kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations 1951739 - CVE-2021-42739 kernel: Heap buffer overflow in firedtv driver 6. Package List: Red Hat Enterprise Linux for Real Time for NFV (v. 7): Source: kernel-rt-3.10.0-1160.53.1.rt56.1193.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1160.53.1.rt56.1193.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm Red Hat Enterprise Linux for Real Time (v. 7): Source: kernel-rt-3.10.0-1160.53.1.rt56.1193.el7.src.rpm noarch: kernel-rt-doc-3.10.0-1160.53.1.rt56.1193.el7.noarch.rpm x86_64: kernel-rt-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.53.1.rt56.1193.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.53.1.rt56.1193.el7.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-2020-25704 https://access.redhat.com/security/cve/CVE-2020-36322 https://access.redhat.com/security/cve/CVE-2021-42739 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYd3739zjgjWX9erEAQhNbg//UQkHqyTEw9xZn2CDvV3r9NnE0kv3MFIH JpYxbzDgEtMSh0qC6M3l+OfVZVB1mLZ71VRTZi4BV6+NzJQ5kOeK0ubLhkInsiVb pJgWJT6V3LHfI08dRcrg16212BlexnTQCYAcZMczEI21DhPcHJYgsQMikhpq+4xi 9GxFXCozrH/AViTYvRyXvPGhRHIsL+TV0buU6oCrQFm1bZtlo/TZ85l5BHZeVmWq Do+WK0Tx8bTOoolPf7xYfoMMutWFqyfyospopHDbZwGaf6rlX3YPHJ2w0RsPzj/8 2HTdcMtCsX4oDAyGKr5WcWbS1dUS1zip/mSwxrjsNIWUoRc+2P+ekcU8ZM3G6bFJ qqNTIq7GLeTSxk34WJocHQ/hGjJg7ZAhfHqioofnxsd2PhAPlNZ1LhSVUY6NBjul /2OgW9u0k6f7SXhL/G1oBEY2BNM/iOzeYevzGE4ii1pfi7TWNauSlPaV2+OxMtpd VJgB80jM/xgVXmFpXRrh5SPc7v7NXfaOkIlT4crxpEInFGHMcmqKzr9rzlj6gpST h5qs4Em3kQkqVavdsOluPSW9DwpOhhdT5l8aoquQnMtW90VqcfiIoTOucqai0dWy 6QyqaWZmxeE95KB7eZofTT2doYUgLuWiLBoRJU8EWTgVrHBYhFF/RHRDmL3nPmyl 086uEB7o6ZQ=qhNE -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce