-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:0979-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:0979 Issue date: 2023-02-28 CVE Names: CVE-2022-2873 CVE-2022-3564 CVE-2022-4378 CVE-2022-4379 CVE-2023-0179 ===================================================================== 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 Real Time (v. 9) - x86_64 Red Hat Enterprise Linux Real Time for NFV (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): * kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) * kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378) * kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379) * kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179) * kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873) 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-9.1.z2 Batch (BZ#2160463) 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/): 2119048 - CVE-2022-2873 kernel: an out-of-bounds vulnerability in i2c-ismt driver 2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c 2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces 2152807 - CVE-2022-4379 kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack 2161713 - CVE-2023-0179 kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan 6. Package List: Red Hat Enterprise Linux Real Time for NFV (v. 9): Source: kernel-rt-5.14.0-162.18.1.rt21.181.el9_1.src.rpm x86_64: kernel-rt-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-core-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-core-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-devel-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-kvm-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-modules-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debuginfo-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-devel-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-kvm-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-modules-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-modules-extra-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm Red Hat Enterprise Linux Real Time (v. 9): Source: kernel-rt-5.14.0-162.18.1.rt21.181.el9_1.src.rpm x86_64: kernel-rt-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-core-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-core-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-devel-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-modules-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debuginfo-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-devel-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-modules-5.14.0-162.18.1.rt21.181.el9_1.x86_64.rpm kernel-rt-modules-extra-5.14.0-162.18.1.rt21.181.el9_1.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-2022-2873 https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2022-4379 https://access.redhat.com/security/cve/CVE-2023-0179 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 iQIVAwUBY/3zg9zjgjWX9erEAQjA0xAAp7tFZW28SkXCMsSi7Wyo2ZclBlL+mL/d vj5QacclOkPqVue67R6+jWaFDz5dDsN9VFPs659UN9CirsiFT9X36pjID60U2c+5 5KtgaF3lWRV8jSqSBbEIcsDrhORz+ddsiG54KjZZnN+Tz5pFpd+jQXTBPOG3ZNXQ 18HwIl6A6BWMCH7+d22LcIVfEAFHr4pDBB+WFfal5Gg7d1horTP246ZO3SL+lLsP kyO9sesa74dqhWJ9QjO6X63WTO26CqKXhvp6r0VLJNm8h0+T4N+v0BRBNItYynNu Vl+wr51lYQm0nMjRMDX4TQFk3SXTMR9HKSJgmsPtWJ4G9btnzquHuv2dkzw/On/k BxfEJlbWwa2qahvH9ECU7KOobfsnlONRVWZzFtmrHP6md81z98UzcBAzLmSsG3Ab jv1m4+pf0rRnIQp/vQL1jNCH8DWlQ6Ecxqq1qbq/oT3NKa+i4LP+6m9tiXpI+FqV JEDZ+WVquXd3HGBgsngORdCespMC4YQpIkLFo8qjBBeBFlI2bPS7TVr65GzNLBis YGkzmIT/M1XTwvGwcUMyBPko3Az/VxpXYjF2z+YI2f/wIBBEhNM/FugDDfCS5pbH aTe3JQdS0uOqrXYASaKmjbdcBZFkJ13vFx5w8lfV/8U7ouo1egNXs9B4dJFXBbOF 02onmP/pqUc= =gGnK -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce