-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2022:8831-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:8831 Issue date: 2022-12-06 CVE Names: CVE-2022-1158 CVE-2022-2639 ==================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 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 BaseOS EUS (v.8.6) - 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: KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158) * kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639) 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/): 2069793 - CVE-2022-1158 kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region 2084479 - CVE-2022-2639 kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.6): Source: kpatch-patch-4_18_0-372_13_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_16_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_19_1-1-2.el8_6.src.rpm kpatch-patch-4_18_0-372_26_1-1-2.el8_6.src.rpm kpatch-patch-4_18_0-372_32_1-1-1.el8_6.src.rpm kpatch-patch-4_18_0-372_9_1-1-4.el8.src.rpm ppc64le: kpatch-patch-4_18_0-372_13_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_13_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_13_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_16_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_16_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_16_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_19_1-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_19_1-debuginfo-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_19_1-debugsource-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-2.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_9_1-1-4.el8.ppc64le.rpm kpatch-patch-4_18_0-372_9_1-debuginfo-1-4.el8.ppc64le.rpm kpatch-patch-4_18_0-372_9_1-debugsource-1-4.el8.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_13_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_13_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_13_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_16_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_16_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_16_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_19_1-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_19_1-debuginfo-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_19_1-debugsource-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-2.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_9_1-1-4.el8.x86_64.rpm kpatch-patch-4_18_0-372_9_1-debuginfo-1-4.el8.x86_64.rpm kpatch-patch-4_18_0-372_9_1-debugsource-1-4.el8.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-2022-1158 https://access.redhat.com/security/cve/CVE-2022-2639 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 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY4+QK9zjgjWX9erEAQgRig//YwASgRTILuz2K17+aeKeR0yt/Fu7V202 ychRN/s0EcpegJs6IUZITjbNo8UVlZ0RlnV7QIa/SeXOF0zuywhWLn5BL9ESAgZv 0uRewXURRUSqcktQHcvlmU6hwlq5FfY+EwhSGNWzs6AbCTXWB55mXPodMYwX3qSR vid0L28fnUxM1fZGdcH1z92wvMZ6nyyMenwhMVqpTBoS+RhSJup25G8m8j9iINia 0RzCOGJgV5/PDuCfqNWtIBL63FVT3xZ+gq7L850XHaDig8VtO1XYf8NBUgKAf1fY vgm+aKOEwxlEp/tlmQqlUI0btmh3qE/sA2EoBaW1/3Ag1SV+5LK3qr7rVVvYyUKG ongGlDzIrau0zA5LkvKiHCY5eGoim91q+iEyMSmMbFt6kOjK4Iv09gNpiLtKBEEF JAel7GzNHzFoixktK5eHbBZZFApTszqjkv+/VCpNbXYrlDWrcwUOd5qLQtE1DzWz z4ZUavT/5zQ2mpTA9LgXv6D8wGpJzSi4k4aTalgMY9rjyebLQpws4nspY+jBUyDG NH2LCEDnSRM+kPsy1hPomFwsBG5EzIz3zCdnsFF8H0USVDfWCnU5WPjWEwIts44e BWYYlJPjEoihlxg7OqF9pEWlkVN1CHuRfD5TY1dmu6GjoCqNNJgRqUeMElXYpcX+ B7bBFTwB1HI=8uZn -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce