-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:2148-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:2148 Issue date: 2023-05-09 CVE Names: CVE-2021-26341 CVE-2021-33655 CVE-2022-1462 CVE-2022-1789 CVE-2022-1882 CVE-2022-2196 CVE-2022-2663 CVE-2022-3028 CVE-2022-3435 CVE-2022-3522 CVE-2022-3524 CVE-2022-3566 CVE-2022-3567 CVE-2022-3619 CVE-2022-3623 CVE-2022-3625 CVE-2022-3628 CVE-2022-3640 CVE-2022-3707 CVE-2022-4128 CVE-2022-4129 CVE-2022-20141 CVE-2022-21505 CVE-2022-28388 CVE-2022-33743 CVE-2022-39188 CVE-2022-39189 CVE-2022-41674 CVE-2022-42703 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 CVE-2022-42896 CVE-2022-43750 CVE-2022-47929 CVE-2023-0394 CVE-2023-0461 CVE-2023-0590 CVE-2023-1195 CVE-2023-1382 ==================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 9. 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 NFV (v. 9) - x86_64 Red Hat Enterprise Linux RT (v. 9) - 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): * use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896) * net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461) * hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341) * malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (CVE-2021-33655) * possible race condition in drivers/tty/tty_buffers.c (CVE-2022-1462) * KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789) * use-after-free in free_pipe_info() could lead to privilege escalation (CVE-2022-1882) * KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks (CVE-2022-2196) * netfilter: nf_conntrack_irc message handling issue (CVE-2022-2663) * race condition in xfrm_probe_algs can lead to OOB read/write (CVE-2022-3028) * out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c (CVE-2022-3435) * race condition in hugetlb_no_page() in mm/hugetlb.c (CVE-2022-3522) * memory leak in ipv6_renew_options() (CVE-2022-3524) * data races around icsk->icsk_af_ops in do_ipv6_setsockopt (CVE-2022-3566) * data races around sk->sk_prot (CVE-2022-3567) * memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c (CVE-2022-3619) * denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry (CVE-2022-3623) * use-after-free after failed devlink reload in devlink_param_get (CVE-2022-3625) * USB-accessible buffer overflow in brcmfmac (CVE-2022-3628) * use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640) * Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed (CVE-2022-3707) * mptcp: NULL pointer dereference in subflow traversal at disconnect time (CVE-2022-4128) * l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference (CVE-2022-4129) * igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets (CVE-2022-20141) * lockdown bypass using IMA (CVE-2022-21505) * double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c (CVE-2022-28388) * network backend may cause Linux netfront to use freed SKBs (XSA-405) (CVE-2022-33743) * unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry (CVE-2022-39188) * TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning (CVE-2022-39189) * u8 overflow problem in cfg80211_update_notlisted_nontrans() (CVE-2022-41674) * use-after-free related to leaf anon_vma double reuse (CVE-2022-42703) * use-after-free in bss_ref_get in net/wireless/scan.c (CVE-2022-42720) * BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c (CVE-2022-42721) * Denial of service in beacon protection for P2P-device (CVE-2022-42722) * memory corruption in usbmon driver (CVE-2022-43750) * NULL pointer dereference in traffic control subsystem (CVE-2022-47929) * NULL pointer dereference in rawv6_push_pending_frames (CVE-2023-0394) * use-after-free due to race condition in qdisc_graft() (CVE-2023-0590) * use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (CVE-2023-1195) * denial of service in tipc_conn_close (CVE-2023-1382) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.2 Release Notes linked from the References section. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2061703 - CVE-2021-26341 hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch 2073091 - CVE-2022-28388 kernel: double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c 2078466 - CVE-2022-1462 kernel: possible race condition in drivers/tty/tty_buffers.c 2089701 - CVE-2022-1882 kernel: use-after-free in free_pipe_info() could lead to privilege escalation 2090723 - CVE-2022-1789 kernel: KVM: NULL pointer dereference in kvm_mmu_invpcid_gva 2106830 - CVE-2022-21505 kernel: lockdown bypass using IMA 2107924 - CVE-2022-33743 kernel: network backend may cause Linux netfront to use freed SKBs (XSA-405) 2108691 - CVE-2021-33655 kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory 2114937 - CVE-2022-20141 kernel: igmp: use-after-free in ip_check_mc_rcu when opening and closing inet sockets 2122228 - CVE-2022-3028 kernel: race condition in xfrm_probe_algs can lead to OOB read/write 2123056 - CVE-2022-2663 kernel: netfilter: nf_conntrack_irc message handling issue 2124788 - CVE-2022-39189 kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning 2130141 - CVE-2022-39188 kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry 2133483 - CVE-2022-42703 kernel: use-after-free related to leaf anon_vma double reuse 2133490 - CVE-2022-3435 kernel: out-of-bounds read in fib_nh_match of the file net/ipv4/fib_semantics.c 2134377 - CVE-2022-41674 kernel: u8 overflow problem in cfg80211_update_notlisted_nontrans() 2134380 - CVE-2022-4128 kernel: mptcp: NULL pointer dereference in subflow traversal at disconnect time 2134451 - CVE-2022-42720 kernel: use-after-free in bss_ref_get in net/wireless/scan.c 2134506 - CVE-2022-42721 kernel: BSS list corruption in cfg80211_add_nontrans_list in net/wireless/scan.c 2134517 - CVE-2022-42722 kernel: Denial of service in beacon protection for P2P-device 2134528 - CVE-2022-4129 kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference 2137979 - CVE-2022-3707 kernel: Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed 2139610 - CVE-2022-3640 kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c 2143893 - CVE-2022-3566 kernel: data races around icsk->icsk_af_ops in do_ipv6_setsockopt 2143943 - CVE-2022-3567 kernel: data races around sk->sk_prot 2144720 - CVE-2022-3625 kernel: use-after-free after failed devlink reload in devlink_param_get 2147364 - CVE-2022-42896 kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c 2150947 - CVE-2022-3524 kernel: memory leak in ipv6_renew_options() 2150960 - CVE-2022-3628 kernel: USB-accessible buffer overflow in brcmfmac 2150979 - CVE-2022-3522 kernel: race condition in hugetlb_no_page() in mm/hugetlb.c 2151270 - CVE-2022-43750 kernel: memory corruption in usbmon driver 2154171 - CVE-2023-1195 kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c 2154235 - CVE-2022-3619 kernel: memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c 2160023 - CVE-2022-2196 kernel: KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks 2162120 - CVE-2023-0394 kernel: NULL pointer dereference in rawv6_push_pending_frames 2165721 - CVE-2022-3623 kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry 2165741 - CVE-2023-0590 kernel: use-after-free due to race condition in qdisc_graft() 2168246 - CVE-2022-47929 kernel: NULL pointer dereference in traffic control subsystem 2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets 2177371 - CVE-2023-1382 kernel: denial of service in tipc_conn_close 6. Package List: Red Hat Enterprise Linux NFV (v. 9): Source: kernel-rt-5.14.0-284.11.1.rt14.296.el9_2.src.rpm x86_64: kernel-rt-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-devel-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-kvm-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debuginfo-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-devel-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-kvm-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-extra-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm Red Hat Enterprise Linux RT (v. 9): Source: kernel-rt-5.14.0-284.11.1.rt14.296.el9_2.src.rpm x86_64: kernel-rt-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-devel-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debuginfo-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-devel-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-core-5.14.0-284.11.1.rt14.296.el9_2.x86_64.rpm kernel-rt-modules-extra-5.14.0-284.11.1.rt14.296.el9_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-2021-26341 https://access.redhat.com/security/cve/CVE-2021-33655 https://access.redhat.com/security/cve/CVE-2022-1462 https://access.redhat.com/security/cve/CVE-2022-1789 https://access.redhat.com/security/cve/CVE-2022-1882 https://access.redhat.com/security/cve/CVE-2022-2196 https://access.redhat.com/security/cve/CVE-2022-2663 https://access.redhat.com/security/cve/CVE-2022-3028 https://access.redhat.com/security/cve/CVE-2022-3435 https://access.redhat.com/security/cve/CVE-2022-3522 https://access.redhat.com/security/cve/CVE-2022-3524 https://access.redhat.com/security/cve/CVE-2022-3566 https://access.redhat.com/security/cve/CVE-2022-3567 https://access.redhat.com/security/cve/CVE-2022-3619 https://access.redhat.com/security/cve/CVE-2022-3623 https://access.redhat.com/security/cve/CVE-2022-3625 https://access.redhat.com/security/cve/CVE-2022-3628 https://access.redhat.com/security/cve/CVE-2022-3640 https://access.redhat.com/security/cve/CVE-2022-3707 https://access.redhat.com/security/cve/CVE-2022-4128 https://access.redhat.com/security/cve/CVE-2022-4129 https://access.redhat.com/security/cve/CVE-2022-20141 https://access.redhat.com/security/cve/CVE-2022-21505 https://access.redhat.com/security/cve/CVE-2022-28388 https://access.redhat.com/security/cve/CVE-2022-33743 https://access.redhat.com/security/cve/CVE-2022-39188 https://access.redhat.com/security/cve/CVE-2022-39189 https://access.redhat.com/security/cve/CVE-2022-41674 https://access.redhat.com/security/cve/CVE-2022-42703 https://access.redhat.com/security/cve/CVE-2022-42720 https://access.redhat.com/security/cve/CVE-2022-42721 https://access.redhat.com/security/cve/CVE-2022-42722 https://access.redhat.com/security/cve/CVE-2022-42896 https://access.redhat.com/security/cve/CVE-2022-43750 https://access.redhat.com/security/cve/CVE-2022-47929 https://access.redhat.com/security/cve/CVE-2023-0394 https://access.redhat.com/security/cve/CVE-2023-0461 https://access.redhat.com/security/cve/CVE-2023-0590 https://access.redhat.com/security/cve/CVE-2023-1195 https://access.redhat.com/security/cve/CVE-2023-1382 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.2_release_notes/index 8. 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More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZFo0NtzjgjWX9erEAQhskQ//eAqMI93djEsADoo5zb3EO3xEGrb//Im2 ptPycHLLL6ZG+t/+1PiMk/e8LwhV2hrxz7nzc4xh8tNO4TRuF0WK/sR8Iv4y6/Fs 95X25NgEndOlHk7uUVgEdTYvZnpNh27XJwyEHDu6HV8suxY6gfbYHqV7zlkGBi43 zQA+sfEDXFVfvLug/RpaD0J7wXc0JyUoG4OratWV1E37zw9mNPSX1P0bFy4QoKXL rhG1Xc+qSWK3kjnJjpeU8nIJGhL2oJDFVuICkiC+aEp7C//DE1TA7L7u3Z+7Tou/ BpPmjMyfXF/UQYZtJCrCRiTj/RsRIqaUSoy3/3MO8jxVMR6FIm/QTjY63JCGfj6A OahLv77oKDJXuHQQ7JkHycKMOc+JfX/ZNtxtgn2gYFfpjPTY/klTJP8iM9KhnTuQ 2lF5jvYJihYhGio+cyl5Ad/XmzsHh7cTQR3XKtNa7p9/+QkAKt10LhbzxvebThFd cZtLUsdph4wO6T+RrZ5XdwvOSox1C40mfOnwJO41M/9GXPHoxhmwrZYBWKE1PY0J Jq9m+pYgKv+ioTW1FWloM22mu0PW/L5F3djzAVujShX0iRgfW2Aao3n+L8A22bYD Q+5LbFsWZwpeK7zXgXocJlY7j667sT9UGqBwk4xMfAiS5A0p2Zo1rkIre2lvmF2D JJU7NBGa9VU=YrUX -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce