Mehrere Probleme in kpatch-patch
ID: | RHSA-2020:3297-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Di, 4. August 2020, 23:28 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2020-10767
https://access.redhat.com/security/cve/CVE-2020-10766 https://access.redhat.com/security/cve/CVE-2020-10768 |
Applikationen: | Linux |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2020:3297-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3297 Issue date: 2020-08-04 CVE Names: CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 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 BaseOS EUS (v. 8.1) - 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: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. (CVE-2020-10766) * kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (CVE-2020-10767) * kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768) 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/): 1845840 - CVE-2020-10766 kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. 1845867 - CVE-2020-10767 kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. 1845868 - CVE-2020-10768 kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kpatch-patch-4_18_0-147-1-16.el8.src.rpm kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm x86_64: kpatch-patch-4_18_0-147-1-16.el8.x86_64.rpm kpatch-patch-4_18_0-147-debuginfo-1-16.el8.x86_64.rpm kpatch-patch-4_18_0-147-debugsource-1-16.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-1-12.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-debuginfo-1-12.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-debugsource-1-12.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_3-1-12.el8.x86_64.rpm kpatch-patch-4_18_0-147_13_2-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_13_2-debuginfo-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_13_2-debugsource-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_20_1-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_20_1-debuginfo-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_20_1-debugsource-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_3_1-1-12.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_5_1-1-7.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_8_1-1-5.el8_1.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-2020-10766 https://access.redhat.com/security/cve/CVE-2020-10767 https://access.redhat.com/security/cve/CVE-2020-10768 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is |