-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:4000-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4000 Issue date: 2021-10-26 CVE Names: CVE-2021-22543 CVE-2021-37576 ===================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 Server E4S (v. 7.7) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. 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) 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. 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 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 1986506 - CVE-2021-37576 kernel: powerpc: KVM guest OS users can cause host OS memory corruption 6. Package List: Red Hat Enterprise Linux Server E4S (v. 7.7): Source: kpatch-patch-3_10_0-1062_40_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1062_43_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1062_45_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1062_46_1-1-5.el7.src.rpm kpatch-patch-3_10_0-1062_49_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1062_51_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1062_52_2-1-2.el7.src.rpm kpatch-patch-3_10_0-1062_56_1-1-1.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1062_40_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_40_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_43_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_43_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_45_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_45_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_46_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_46_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_49_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_49_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_51_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_51_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_52_2-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_52_2-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_56_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_56_1-debuginfo-1-1.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1062_40_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_40_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_43_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_43_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_45_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_45_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1062_46_1-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062_46_1-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062_49_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_49_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_51_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_51_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_52_2-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1062_52_2-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1062_56_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_56_1-debuginfo-1-1.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-2021-22543 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 iQIVAwUBYXgrK9zjgjWX9erEAQiGtw//QonqRz7zOIHZ3XQnDWFehg8EvqaZU0Hv O68iuV8cV2isPbTpLywy7EWH1zwtxT1UNKSVoNmxFsBVUT7JEJWka9TEQtZGeXiq 2UrwOBbzzPSdffbDqGktUbsHN/pVjg70wyJYsENiDL8Qe/cSyLlDlww5U6IEvWP4 OzoN+950ja7Hr33DRsZ3TTiviLCqrxsS4yoJNBXQiw8k4LZ3wMsSwpAWBKth+l0+ KWcNWVjyE7rz7Krc6agkxmO9lJK0nV3h8qlYWAsnsDc2CDkcIWPvMjXKMf7Eit7o zaWps9C+1Co5GE5wJV2UU2cMlmquZuVSn9uL5bT24R35NJzhiQdH2XTsi4wtxknp 419Icmxc8UVHeUWowlvDL9yK0L2uDp/BftjpWbs9Nr9W+oa4jgN5pTnSFC7A5FDk ncVqfMxPkJRQ3RVBstA6xqlPd1ZH5M4B+0O7XsN0nAUz0LFAPQIvZ6yQzmJjiRzE K4KWQOTpJ5qsL/7EkSF5Y81TkLe/V1DxG5MaTeOryIv4gRPyDIhq86/Mx+Z5yu7k zuy5MQwIko/vOZMe6LOJ/hBtTIP4dQGlcrpIk+6mO83436fEwU4soaNVcildjYIw hI5N9taO5AbgmWBdMvAc6Ne0kmmFL8AreThvG5UWdFnpDUskdoWys4pgxvMc/rIu zuLrOOTUBY0= =VcAB -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce