-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2023:1467-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1467 Issue date: 2023-03-27 CVE Names: CVE-2022-4744 ===================================================================== 1. Summary: An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. 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 EUS (v.9.0) - x86_64 Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) - 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: tun: avoid double free in tun_free_netdev (CVE-2022-4744) 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-9.0.z8 Batch (BZ#2174392) 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/): 2156322 - CVE-2022-4744 kernel: tun: avoid double free in tun_free_netdev 6. Package List: Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0): Source: kernel-rt-5.14.0-70.50.2.rt21.122.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-kvm-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-kvm-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm Red Hat Enterprise Linux Real Time EUS (v.9.0): Source: kernel-rt-5.14.0-70.50.2.rt21.122.el9_0.src.rpm x86_64: kernel-rt-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-core-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-core-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-devel-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debuginfo-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-devel-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-modules-5.14.0-70.50.2.rt21.122.el9_0.x86_64.rpm kernel-rt-modules-extra-5.14.0-70.50.2.rt21.122.el9_0.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-2022-4744 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 iQIVAwUBZCFeo9zjgjWX9erEAQinLg//ep2TLX2kvFjsSyBOOcEuKHxLSDXjtrJH HCaGAQ1Sea2cPfYx+bhj6O43pcqG9zVvcpxQJ0P6AK5vt4nXpDilByEbp8CmOC91 r53S1RwH0QDO95qnMA/L6GIzZey9VQYH0z/2N0wDbzYVOef5FdNRxkpaqVCekHNp jp/7kwUr+B6KswIdIGopF8OGU36bNnLen7w75eFzEgfBVYawJm8BkFJ3VIaS2WIE E3L46UDPI2Q9t26dcPpphJJkwGUx3nN68Hu64/ZB6+vqk09a1KkWU+v0nRJyahh4 cxM2YZXgCGlQDb4S09Fb6K4J9+wjDEnvnk+W0M/39KajOtbRT9YxrFv1wwHMz3K9 prWArfvOI6aGGL2zPieJ+Mvs3olOX0hDcGxYYcLaZk+P2lK2t0GzTSJGLFeDCAyr qR8E2Q/tfxwf7bsuFZEDSClCJGPTgOrxggP+QxbWNOCIH58OcDhf5ZpZGHyZi7Sh yWqVmG96wSxtgBKEIa7+HDfxOAMNoRybAOSSBny1Q8abr+lmBBvwe2xH1BhvnWLr Y28+mwkrln2zdzFDW6Us7d90QWsOJKLrqORC9Vp62wa8FWzZGS2vITqvCABgGnFh gSwa5MMSQ5QXHmhD8YAWxQ+KmIVNAkK3VCfP1CZqVe2o9PS2Kuz5syijQ4h5SLFg vOcgPgXIoPs= =I0tG -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce