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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0929 kpatch-patch security update 17 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 Overwrite Arbitrary Files -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-29661 CVE-2020-28374 Reference: ESB-2021.0864 ESB-2021.0838 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:0862 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:0862-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0862 Issue date: 2021-03-16 CVE Names: CVE-2020-28374 CVE-2020-29661 ===================================================================== 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: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374) * 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/): 1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore 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 (v. 7): Source: kpatch-patch-3_10_0-1160-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_11_1-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_15_2-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_2_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_2_2-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_6_1-1-3.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1160-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-3.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1160-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-3.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-2020-28374 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 iQIVAwUBYFC5ttzjgjWX9erEAQhBWxAApVNkFOBgbGg25kYEehu1PNJdeYuHlfbJ 2KIVNjK5fZV46EDtBKOjtjWgFa9khDF7gIu2YuxfIHCjJfQXSXD3vR7QD6IFvmsA JmPIU6+3b+u8Irsy/1eHdV8zM26kyt9OR09a4tanSumVtIIEkU9DrgYgmx9WF9Cq LnQhFLI8gxImzi8RoBhT4jROY1SdrATqwbEXB8btHCYaaiRNw6e+2TfdGmhu689Y +Xt/Ly1kjXt15fqt0Yii4yjJ+YYyB4kuCq7AfqXZUQqe63oEQpbHt2lp5LwuYs4a SkhYs2Q9Z2CfNZegFm/YMkQEy5ZhqjoWLoZ60lV15nIJhEnIWtlOm2JCFjvROsF6 8nqQmUPXbDxxYMoa3DvVZKlxyzgeACE98Pc5CpI53DCunPrr6m5QtEi+IWoo+q55 rBWSwb6WtERBMmiEs0MM4T2zd1+xzc+wwYkDQ+9JoBhL0Ns5WdiTHGyyVoZ+6nWY 2fS1dBSk/tOqTwtIlr8vNJ3sZWapTj3uUYX1HQiZqjUjLf18TsKx279bFwHkj4dN eirteXFwPTddOrIRTWhYRjRRPEWmjlun90eOWpuUDkezJbMSMzhUSlBJOqDWx7Tb WZcNmT/3h4ggCkgiodpUXfsJXlnBNbJcU5FtKQeYFDo74tnJZmb9MWTu6GDgvNrE 8PwCmqlkCmY= =5C3x - -----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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