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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1095 kpatch-patch security update 31 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-29661 Reference: ESB-2021.1093 ESB-2021.0964 ESB-2021.0837 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:1031 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:1031-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1031 Issue date: 2021-03-30 CVE Names: CVE-2020-29661 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.7 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 Server EUS (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: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661) 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/): 1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free 6. Package List: Red Hat Enterprise Linux Server EUS (v. 7.7): Source: kpatch-patch-3_10_0-1062_21_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1062_26_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_30_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_31_2-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_31_3-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_33_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_36_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_37_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_40_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_43_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1062_45_1-1-1.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1062_21_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_21_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_26_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_26_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_30_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_30_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_31_2-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_31_2-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_31_3-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_31_3-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_33_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_33_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_36_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_36_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_37_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_37_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_40_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_40_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_43_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_43_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_45_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_45_1-debuginfo-1-1.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1062_21_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_21_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_26_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_26_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_30_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_30_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_31_2-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_31_2-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_31_3-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_31_3-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_33_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_33_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_36_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_36_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_37_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_37_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_40_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_40_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_43_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_43_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_45_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1062_45_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-2020-29661 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYGLxH9zjgjWX9erEAQjKHhAApjTcvr4pQETFPpZqTotUsmykJho/l+mq byaQZOSccXUe6Kls+OTTdg/tJwUiEBZVY6fQzvAKN2qImC/WwRk7XzqAKSl5LZqi iS64MesA2m5F9mWlJUXnN5png/pLILIaCaj2rWDGWbTi5curzrMEDA5sRNCsN9Fm 2C4G+bQlRiclQ4DjXWUl8Xz4Hd4Gr6iOILT5NYQTGgUHb9ZNqdDadVHKR7zbHArr UDHqtAfMgHKWmLFeOVAWUQsLM7Eh4htWLqPwq+OcmSNYIfXdY8WDa6Fz0QdPRry4 E981tacZjNotMy/sZSmyYx7hXhnDWckxW7OaD4SxY9Xdy/quOcEo2Ap38FxBI+8R 9beEdXtW3ebtdiMc9mln0R7PrTWEu3WdWfhrzBv2CFE74BVJrp8vUlPBKLNw8m4A v0MOVMBqHFjAWIXvTz0ssJdl6+ewcYAg1KO2XW2xD4Xt9/pqb6hx9nZzutjEB4h+ HXblBV+ao2Ymac8WUc1lAq2nUK5zqsM2hGthC9LVsHcBMyVBabvA0FU7ZMaWA62m kwceYasR4QhWxy46IoAjOi5XUOTQf4zvLL2AkVIppnZVo5bWPXwignAXFQNz7Ny5 PBAwuq/UFx0hGc2IF7JScJCZQCboHy+lEMS4uTjq6f27vHciCfGg8w3iYKNq8kiP OV9ZSjbwx5E= =uXYp - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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