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RedHat Enterprise Linux 7: RHSA-2019-3076-01 Important: Kpatch-Patch Update

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2019:3076-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:3076 Issue date: 2019-10-15 CVE Names: CVE-2018-20856 CVE-2019-3846 CVE-2019-9506 CVE-2019-10126 ==================================================================== 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 __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856) * kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846) * hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506) * kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126) 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/): 1713059 - CVE-2019-3846 kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c 1716992 - CVE-2019-10126 kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c 1727857 - CVE-2019-9506 hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) 1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: kpatch-patch-3_10_0-1062-1-5.el7.src.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1062-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1062_1_2-debuginfo-1-3.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1062-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_2-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1062_1_2-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-2018-20856 https://access.redhat.com/security/cve/CVE-2019-3846 https://access.redhat.com/security/cve/CVE-2019-9506 https://access.redhat.com/security/cve/CVE-2019-10126 https://access.redhat.com/security/updates/classification/#important 8. Contact: TheRed Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXaYGz9zjgjWX9erEAQjmog/7Bl5IwoBvnTEMCcihDS8qLZaNP/Bk69mC FVs0t7gs8R20K72LANagQzmjOfrm/C0d3AdmEmuV2iqPK8WY9XQbPXnOEVq2kGrK 659UoOinN1mFUI65TL9ZganENCQLRwrI/sU4Y756sm7wK/WaszsW0BgX+Kr3iEb6 H4CLpbnm/0EUFcWqlZxkmgYEhPzrBqWrpDrtoweaA7a+yXkL8CpEr3MDHnTbb+Mw W1kSjhu+BtimpUCaVSm/rtIviWbY0txGexbLve3eTQdT2jI5FxLBhvzpP3Hsxrsl 01EJGEgokNDIjmPTzFqwH917UNelzeQ9JY5X7oUk6azKYbUQLbDSrcHx9XISI17q ACw60YsW1dv51GLUzg/+oq6Il8mZXE6PGTfLUulbHXFPy+j082l9DM0KV+E1I61u YB4l66H5hSobySjZFpQ80BMcz4W/InbqYP+H7ZOphLmhUW4p5IJ8bsFbub5B3Vgx ksAY8u0aeDvLgkJuyi+ug2o7BYQyZnMszEJQJR9Zr2fJLjYuI8Qr3i07mUR1dJSa Uj+rAVnkXiM0YPn6hnk+os003H+POOCFxqt/e3JwaAy0EClbsi9pDtWIHT47JF8x +X10XUgqyhyErPJEiMwlPndHGCqC3O3O2C4Yt6hMBm5lNuMwy4TRmJ7m1DzO1EmE xj2lH6U9FbQ=/2Qu -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Important security patch released for kpatch-patch on RHEL 7 to fix various vulnerabilities. Immediate application is recommended!. Red Hat Enterprise, kpatch-patch, security impact, kernel live patch, bluetooth attacks. . Severity: Important. LinuxSecurity.com Team

Oct 15, 2019 •Important Red Hat