-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2022:0592-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0592 Issue date: 2022-02-22 CVE Names: CVE-2020-0466 CVE-2021-0920 CVE-2021-4155 CVE-2022-0330 CVE-2022-22942 ==================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 7. 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 (v. 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: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) * kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920) * kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155) * kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) * kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942) 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/): 1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege 2031930 - CVE-2021-0920 kernel: Use After Free in unix_gc() which could result in a local privilege escalation 2034813 - CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL 2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush 2044809 - CVE-2022-22942 kernel: failing usercopy allows for use-after-free exploitation 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: kpatch-patch-3_10_0-1160_21_1-1-9.el7.src.rpm kpatch-patch-3_10_0-1160_24_1-1-7.el7.src.rpm kpatch-patch-3_10_0-1160_25_1-1-7.el7.src.rpm kpatch-patch-3_10_0-1160_31_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_36_2-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_41_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_42_2-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_45_1-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_49_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1160_53_1-1-1.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1160_21_1-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-7.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_36_2-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_36_2-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_41_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_41_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_42_2-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_42_2-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_45_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_45_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_49_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_49_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_53_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_53_1-debuginfo-1-1.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1160_21_1-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-7.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_36_2-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_36_2-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_41_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_41_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_42_2-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_42_2-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_45_1-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_45_1-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_49_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_49_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_53_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_53_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-2020-0466 https://access.redhat.com/security/cve/CVE-2021-0920 https://access.redhat.com/security/cve/CVE-2021-4155 https://access.redhat.com/security/cve/CVE-2022-0330 https://access.redhat.com/security/cve/CVE-2022-22942 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 iQIVAwUBYhULmNzjgjWX9erEAQhong//ehYteHf5l1UOb4DBjZS9K197bUi9NEyY M6rMoGDLZlV6FRMXn6pZCOnTTQFtUAJRpBpnP4UkTdu4GZWI3yj158xTaBewePRm 4DiG/kUFQD1Jc/O23L7yF79gDBK0veByTADgMkF8VYwYVIZZmOy39SaTS8qQMR4d ne1HL3Tl/vR5Xn7GAgzB0n4f5nq3fB5B69Zcc/deJzBu8ehAb5XCV4OGvoFqdV2/ Vhue1s8Jlt0wC7KwTv6umiCj3o+fjHmxmGAzRHP7kgieDicrAWEQ+D02/hCcOOSM 53HCA3PYgzOoSq4e/UOnHqyUFGPE3Ja2GKCagkfxgrZ/+EVFUcL14uFu59HS9yJp DXkonie1JpDBgjw/e9Rmoez+65rsrYgszpXhahCzAXGYQML+zPE8fenBw6V/zL0q yej1K+3E++2sXtH5Fw2p4PSYtqSjgt1JlFuhW2Lg8n7MS6iQq5l3sw0NGXia67B1 wbTmWpIUbWRfT77HvDBmLhVYMGO02XnJeKoTJz4WrHXJT2rz+AxY+clfdxIMvdKL +nSALRsxB5kYb2TiQvC37+hBNM8WPinCmQJ+7sjEsI6me+VACJEsegixja8ZMuXA I6KfhPuiNRUrRMiYhWvMozldLLhFpYeu/MPJJDsDTuqV4rlUw4RTHZgy/NLzwxF6 n2bEBGp0Q2o=9OW1 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce