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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2026 kpatch-patch security update 9 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-3347 Reference: ESB-2021.1847 ESB-2021.1799 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2285 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:2285-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2285 Issue date: 2021-06-08 CVE Names: CVE-2021-3347 ===================================================================== 1. Summary: An update 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 via PI futex state (CVE-2021-3347) 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/): 1922249 - CVE-2021-3347 kernel: Use after free via PI futex state 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: kpatch-patch-3_10_0-1160-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_11_1-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_15_2-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_21_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_24_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1160_25_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1160_2_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_2_2-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_6_1-1-6.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1160-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-6.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1160-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-6.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-2021-3347 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 iQIVAwUBYL80r9zjgjWX9erEAQhq+Q/+JS5dgx8nZYyZxhm5Y2RkEeV97JNGLrpr TB//QcHwvKYX9UpXZhLvgZu8eQF68z7GcJtXQaQ/jYbYfky7jsmQj6a5KyHfHk50 w0A9zNYDZfwv+Si0gg8OXWLAMszWIVAOo52zyGSDW//lFYZbZUvLAmNISQd2Q1Kp yMUoZ4OR1HiEw2WfygFw1/hEh1wLJFCQTYs+9Flfsx8Cfu91tAVTFCdpfZW54ICm 6N3/zNSRkwRIRkCaaWsSQXXAlvEiuIko0NzOzYjO6sdwIKEnGnmMrKLkSEUj4A01 JrTFAkK6LD7ML0tQJskPkOpgDB1Hq3yH3D4TP9apeOk1OR4Gs8TIXUgcNzxQDFM3 rOwp8Wy0u8WffybWPQ4zYE1Z4P0hvL6t1ubdHrIdy4ApWIvjHgc4EmXrnq82ZD3w n68VLBFGDrBaapw1e0txGS8vYdp357yDtpEzXlTB5Mn48WPA+NWYqKoj2dG7yVEl fpRvtUI0DzdZ0JLIQMdsdxvA7ls8kbCDdILArFnjSrESlURl2bGmXjs4bLPHfmIB Y2gbaZxmL8hHubbSRf/wteTKvEdVgZ67Ma2tHfgnDRA0Xz2e6F/FF9nHq/MwqXHj nEdJ5ej4J3jutsiYk8yreyNL4YRS1P3JHZItZF/ec/qSD2nH2we7+cCss/BfwWv6 Ib0LNTWQkOc= =LBYZ - -----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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYMBOxuNLKJtyKPYoAQhJkRAArpSixV7wqXSDturASjQ9yW+uPaZoVNw5 +XW3wsIGPP6dQorwx4tgGhYZn5ymuHC8h0VEHCcHJwPWUfW7AEMP3TRetBy+gh6u nfuF/ip1WRt4IvmIBltDbD6oEx9Bh2+pk+UgE9LfIIjHs20F/NCc4PSYEC0CxuQP +AGtX9xiCPF0QNiU8o31Dt0biBgCielS0PGaNxO0Xe3XC50wfX7u4lGKsjJQYN2k HtMR0dI2S+vBgocLF1PUjJFHf9ZAZsmbNDXpri4QU8jvZyu4hT0mCOTrCnI0AoSm OttLyDLs/zPae7PH51n9FlSSQEYe1373rCL7MdpHukzva3GqWYTPg1W30TZmzp/j YsC7FnBvdvXDWHCN2Ud5JkYG8GjoWkL7TJMciPDQ0gZNVqG9UnAKLfGG1iwr/XYB Jq9GZsvNhUKwMiMgAH6Lg1AXeL8w+ZVXh540YP1OIBt6fZL5GSitsAhArM8c2irS 3YuOwupEIJBvcSehd0ayeyrEzlLgMXZjyc61zaJp6+dR9+qFc0+5gy0KBE50B8Qh pb6Su2upCCC3eyH8TiwIGCoqtxj7HVQ1YkmczJu1DtzugbrfGwMp91cvkC/mYs28 9rEoYBVwuanAchBO/5SSqCtGGf32CvNxHRGTyqk0rE0cxAUwcW2t2RpoElOYskz/ XO9ifHfYK2o= =eG+U -----END PGP SIGNATURE-----