-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:3801-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3801 Issue date: 2021-10-12 CVE Names: CVE-2021-3653 CVE-2021-3656 CVE-2021-22543 CVE-2021-37576 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7. 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 Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576) * kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653) * kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656) 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 panic due to double fault with DLM reporting for socket error "sk_err=32/0" (BZ#1834878) * "MFW indication via attention" message getting logged frequently after every 5 minutes (BZ#1854544) * lpfc fails to discovery in pt2pt with "2754 PRLI failure DID:0000EF Status:x9/x91e00, data: x0" (BZ#1922479) * pcpu_get_vm_areas using most memory from VmallocUsed (BZ#1970618) * RHEL 7.9.z [qedf driver] Racing condition between qedf_cleanup_fcport and releasing command after timeout (BZ#1982702) * [Azure] RHEL 7.9 reports GPU/IB topology incorrectly on some Azure SKUs (BZ#1984128) * [stable guest ABI]Hot add CPU after migration cause guest hang (BZ#1991856) * i40e driver crash at RIP: i40e_config_vf_promiscuous_mode+0x165 (BZ#1993850) * [nfs] Performance issue since commit 5a4f6f11951e (BZ#1995649) * [kernel] Indefinite waiting for RCU callback while removing cgroup (BZ#2000973) 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/): 1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 1983686 - CVE-2021-3653 kernel: SVM nested virtualization issue in KVM (AVIC support) 1983988 - CVE-2021-3656 kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) 1986506 - CVE-2021-37576 kernel: powerpc: KVM guest OS users can cause host OS memory corruption 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: kernel-3.10.0-1160.45.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.45.1.el7.noarch.rpm kernel-doc-3.10.0-1160.45.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.x86_64.rpm perf-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: kernel-3.10.0-1160.45.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.45.1.el7.noarch.rpm kernel-doc-3.10.0-1160.45.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.x86_64.rpm perf-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: kernel-3.10.0-1160.45.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.45.1.el7.noarch.rpm kernel-doc-3.10.0-1160.45.1.el7.noarch.rpm ppc64: bpftool-3.10.0-1160.45.1.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-3.10.0-1160.45.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debug-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.45.1.el7.ppc64.rpm kernel-devel-3.10.0-1160.45.1.el7.ppc64.rpm kernel-headers-3.10.0-1160.45.1.el7.ppc64.rpm kernel-tools-3.10.0-1160.45.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.ppc64.rpm perf-3.10.0-1160.45.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm python-perf-3.10.0-1160.45.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm ppc64le: bpftool-3.10.0-1160.45.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debug-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-devel-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-headers-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-tools-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.ppc64le.rpm perf-3.10.0-1160.45.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm python-perf-3.10.0-1160.45.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm s390x: bpftool-3.10.0-1160.45.1.el7.s390x.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm kernel-3.10.0-1160.45.1.el7.s390x.rpm kernel-debug-3.10.0-1160.45.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.s390x.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1160.45.1.el7.s390x.rpm kernel-devel-3.10.0-1160.45.1.el7.s390x.rpm kernel-headers-3.10.0-1160.45.1.el7.s390x.rpm kernel-kdump-3.10.0-1160.45.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-1160.45.1.el7.s390x.rpm perf-3.10.0-1160.45.1.el7.s390x.rpm perf-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm python-perf-3.10.0-1160.45.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.s390x.rpm x86_64: bpftool-3.10.0-1160.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.x86_64.rpm perf-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: bpftool-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.45.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.ppc64.rpm ppc64le: bpftool-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: kernel-3.10.0-1160.45.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.45.1.el7.noarch.rpm kernel-doc-3.10.0-1160.45.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.45.1.el7.x86_64.rpm perf-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.45.1.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-2021-3653 https://access.redhat.com/security/cve/CVE-2021-3656 https://access.redhat.com/security/cve/CVE-2021-22543 https://access.redhat.com/security/cve/CVE-2021-37576 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 iQIVAwUBYWWqidzjgjWX9erEAQj5JA/+JDZu/xue2Mu3vd1Wr2SQNgVoy/tCYPKo z+zlQw1Eld1YcKgBrfF1b83yei3rp5foRyXsxl0wkcCvao3u8b/nTzX3ya3PxE6O yYV9VP4Nx8mmYsU6bw1yPAW7YLG4wS56Ff4kvZ+0EYKa14c6sZZ2qme98wBmfXm7 8/fvt+QlOVFSwcgqs9ME9vE/Ai/InXSnt5RDBNh9mxN8g44YqnsRwsUXrHAvCD7G RMMym2NJMYCHYs6rBBisK7LDD/pvS2xMZXAR57qy4sQhR0VyJpnLYd/FkrZjNdnr XpHLjrBHknunhoSmwf1fF4NYHfB0qQKUTi9drDUZLNKyI2vMrBYDQdSVVI78Kihh OBa0JdAYMeafduUQvHmTQihzYR/nGXykl0Eah4IpLlVXn6uQmjfsygqXZK3kLEv8 K4FOSiT7TKVq1gICE3D0c1UMAiRSAK25NjxLCKHpfKwKDWJV4kuHuVwa9Rx9TDVp P7mCmo6mVjqccRghcksV0L+y1rDdR4L+tBrJc1JfCHzaZtH7SV7jDNlW7FiPgnw4 5kDnWJk6IFgNUedydi2ODr/VPXIY+LCLWFTDY7RuQnNzgzGAn8bSfiVj7ddVKjxm d/EuZhWJxdkfd6V37Qa44wbv+EskoRbHdvZm6C+pjDBIe5ficos5TDkubKsEZxk5 dWp5Jpx6Lbw= =IUMH -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce