- Issued:
- 2020-08-04
- Updated:
- 2020-08-04
RHSA-2020:3297 - Security Advisory
Synopsis
Important: kpatch-patch security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
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.
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.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64
Fixes
- BZ - 1845840 - CVE-2020-10766 kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection.
- BZ - 1845867 - CVE-2020-10767 kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available.
- BZ - 1845868 - CVE-2020-10768 kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command.
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1
| SRPM | |
|---|---|
| kpatch-patch-4_18_0-147-1-16.el8.src.rpm | SHA-256: b121f848a94de086f89c7ce12086d797e7a495ef5ab75616ce2315948c8a6aeb |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm | SHA-256: 03a5acf8676502967e2e8af8c7084e0c66bae878f3eecab5e2cce0630ee2e02b |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm | SHA-256: c48dcf6223b035716364dab93f977907f9a2c708086311d796513b236923a261 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm | SHA-256: 9469cded44cf9f6f3f960135384e1f04930877baddf09b0d389165afe30a0175 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm | SHA-256: f3ca166c1e9d201835c32aedb45030dc2528a27ed0f0c0b8d56627a9b2b86f18 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm | SHA-256: 5ba9c298bb720d56ccfa56dae26b0447da995dca0979b02ec7b5a2a7e4679b18 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm | SHA-256: 2c2ac0b98f1e719d917da617b033ef527d082094674a503d8ef32d70e860f32b |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm | SHA-256: 52015b50f9865b67b6fc99875df880ef0fb05be8af19c53b2f879daa3d25e054 |
| x86_64 | |
| kpatch-patch-4_18_0-147-1-16.el8.x86_64.rpm | SHA-256: 03d9579859b83081422204e00dbd8c8221d56a4a7e8ecb27731bdb3e2e91c621 |
| kpatch-patch-4_18_0-147-debuginfo-1-16.el8.x86_64.rpm | SHA-256: ad5e0fc3fcfe5ee69d41c4bba16d9905da604d2bb28e08b34d23c0762e6e1f6b |
| kpatch-patch-4_18_0-147-debugsource-1-16.el8.x86_64.rpm | SHA-256: c193f6caab5d40160b21c1feb8f0309f54877c1297e71fb7650eabf24ca6df28 |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.x86_64.rpm | SHA-256: 1561f3ddbe5df515e0a3acb2220acdfb681437d0e00c5dc5f52877a3862183b9 |
| kpatch-patch-4_18_0-147_0_2-debuginfo-1-12.el8.x86_64.rpm | SHA-256: bb56ccacba6aeca5833ec7f2c3aa2a3a4ad9cfd9845519ef21de9350bcaec180 |
| kpatch-patch-4_18_0-147_0_2-debugsource-1-12.el8.x86_64.rpm | SHA-256: beae9b31ad23d8631cac2c0bf746de35735008930b8a125f53a40ce432941125 |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.x86_64.rpm | SHA-256: c7f19fd1fbc32c37b7758f2837fb14255491d886119782d20532657a5f94e3d8 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.x86_64.rpm | SHA-256: 96a992c38d8ec60e8f5ebac07bd64edb4bbb1a0ac95248299903ff9fc8820f27 |
| kpatch-patch-4_18_0-147_13_2-debuginfo-1-3.el8_1.x86_64.rpm | SHA-256: 366426390d523a73cffa93afe4986a0a55e544768fe41dad252ba38705d8da1c |
| kpatch-patch-4_18_0-147_13_2-debugsource-1-3.el8_1.x86_64.rpm | SHA-256: eb9d587b80302e615fb27d722696627accca3a8668c0373e6a56251fc6bd7b54 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.x86_64.rpm | SHA-256: 2b687f7d5961e3f4d02f0a929ae788c23cac997e78c2ad9c47ac55238b57b198 |
| kpatch-patch-4_18_0-147_20_1-debuginfo-1-2.el8_1.x86_64.rpm | SHA-256: da4fc8a323a1639ea48d150dcb2a36f168535e589e463971683d76e26c03555c |
| kpatch-patch-4_18_0-147_20_1-debugsource-1-2.el8_1.x86_64.rpm | SHA-256: cb4e82e7ecc11779de8781f7c67d8c54bd5a5099603feea63aca0065db10c613 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.x86_64.rpm | SHA-256: 856ccef51780c9768deb258f40c85308359786cf536f396c847be3c0da3f2389 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.x86_64.rpm | SHA-256: d55dfa207e3e7d6aa8626ec5748a4adb7cadf33f7f524a8e57481524e55bcb48 |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.x86_64.rpm | SHA-256: 5094960454d41410050e8737d934183f2628d58ab098f0acdeb9b412d197d1ff |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1
| SRPM | |
|---|---|
| kpatch-patch-4_18_0-147-1-16.el8.src.rpm | SHA-256: b121f848a94de086f89c7ce12086d797e7a495ef5ab75616ce2315948c8a6aeb |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm | SHA-256: 03a5acf8676502967e2e8af8c7084e0c66bae878f3eecab5e2cce0630ee2e02b |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm | SHA-256: c48dcf6223b035716364dab93f977907f9a2c708086311d796513b236923a261 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm | SHA-256: 9469cded44cf9f6f3f960135384e1f04930877baddf09b0d389165afe30a0175 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm | SHA-256: f3ca166c1e9d201835c32aedb45030dc2528a27ed0f0c0b8d56627a9b2b86f18 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm | SHA-256: 5ba9c298bb720d56ccfa56dae26b0447da995dca0979b02ec7b5a2a7e4679b18 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm | SHA-256: 2c2ac0b98f1e719d917da617b033ef527d082094674a503d8ef32d70e860f32b |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm | SHA-256: 52015b50f9865b67b6fc99875df880ef0fb05be8af19c53b2f879daa3d25e054 |
| ppc64le | |
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1
| SRPM | |
|---|---|
| kpatch-patch-4_18_0-147-1-16.el8.src.rpm | SHA-256: b121f848a94de086f89c7ce12086d797e7a495ef5ab75616ce2315948c8a6aeb |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm | SHA-256: 03a5acf8676502967e2e8af8c7084e0c66bae878f3eecab5e2cce0630ee2e02b |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm | SHA-256: c48dcf6223b035716364dab93f977907f9a2c708086311d796513b236923a261 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm | SHA-256: 9469cded44cf9f6f3f960135384e1f04930877baddf09b0d389165afe30a0175 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm | SHA-256: f3ca166c1e9d201835c32aedb45030dc2528a27ed0f0c0b8d56627a9b2b86f18 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm | SHA-256: 5ba9c298bb720d56ccfa56dae26b0447da995dca0979b02ec7b5a2a7e4679b18 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm | SHA-256: 2c2ac0b98f1e719d917da617b033ef527d082094674a503d8ef32d70e860f32b |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm | SHA-256: 52015b50f9865b67b6fc99875df880ef0fb05be8af19c53b2f879daa3d25e054 |
| ppc64le | |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1
| SRPM | |
|---|---|
| kpatch-patch-4_18_0-147-1-16.el8.src.rpm | SHA-256: b121f848a94de086f89c7ce12086d797e7a495ef5ab75616ce2315948c8a6aeb |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.src.rpm | SHA-256: 03a5acf8676502967e2e8af8c7084e0c66bae878f3eecab5e2cce0630ee2e02b |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.src.rpm | SHA-256: c48dcf6223b035716364dab93f977907f9a2c708086311d796513b236923a261 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.src.rpm | SHA-256: 9469cded44cf9f6f3f960135384e1f04930877baddf09b0d389165afe30a0175 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.src.rpm | SHA-256: f3ca166c1e9d201835c32aedb45030dc2528a27ed0f0c0b8d56627a9b2b86f18 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.src.rpm | SHA-256: 5ba9c298bb720d56ccfa56dae26b0447da995dca0979b02ec7b5a2a7e4679b18 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.src.rpm | SHA-256: 2c2ac0b98f1e719d917da617b033ef527d082094674a503d8ef32d70e860f32b |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.src.rpm | SHA-256: 52015b50f9865b67b6fc99875df880ef0fb05be8af19c53b2f879daa3d25e054 |
| x86_64 | |
| kpatch-patch-4_18_0-147-1-16.el8.x86_64.rpm | SHA-256: 03d9579859b83081422204e00dbd8c8221d56a4a7e8ecb27731bdb3e2e91c621 |
| kpatch-patch-4_18_0-147-debuginfo-1-16.el8.x86_64.rpm | SHA-256: ad5e0fc3fcfe5ee69d41c4bba16d9905da604d2bb28e08b34d23c0762e6e1f6b |
| kpatch-patch-4_18_0-147-debugsource-1-16.el8.x86_64.rpm | SHA-256: c193f6caab5d40160b21c1feb8f0309f54877c1297e71fb7650eabf24ca6df28 |
| kpatch-patch-4_18_0-147_0_2-1-12.el8.x86_64.rpm | SHA-256: 1561f3ddbe5df515e0a3acb2220acdfb681437d0e00c5dc5f52877a3862183b9 |
| kpatch-patch-4_18_0-147_0_2-debuginfo-1-12.el8.x86_64.rpm | SHA-256: bb56ccacba6aeca5833ec7f2c3aa2a3a4ad9cfd9845519ef21de9350bcaec180 |
| kpatch-patch-4_18_0-147_0_2-debugsource-1-12.el8.x86_64.rpm | SHA-256: beae9b31ad23d8631cac2c0bf746de35735008930b8a125f53a40ce432941125 |
| kpatch-patch-4_18_0-147_0_3-1-12.el8.x86_64.rpm | SHA-256: c7f19fd1fbc32c37b7758f2837fb14255491d886119782d20532657a5f94e3d8 |
| kpatch-patch-4_18_0-147_13_2-1-3.el8_1.x86_64.rpm | SHA-256: 96a992c38d8ec60e8f5ebac07bd64edb4bbb1a0ac95248299903ff9fc8820f27 |
| kpatch-patch-4_18_0-147_13_2-debuginfo-1-3.el8_1.x86_64.rpm | SHA-256: 366426390d523a73cffa93afe4986a0a55e544768fe41dad252ba38705d8da1c |
| kpatch-patch-4_18_0-147_13_2-debugsource-1-3.el8_1.x86_64.rpm | SHA-256: eb9d587b80302e615fb27d722696627accca3a8668c0373e6a56251fc6bd7b54 |
| kpatch-patch-4_18_0-147_20_1-1-2.el8_1.x86_64.rpm | SHA-256: 2b687f7d5961e3f4d02f0a929ae788c23cac997e78c2ad9c47ac55238b57b198 |
| kpatch-patch-4_18_0-147_20_1-debuginfo-1-2.el8_1.x86_64.rpm | SHA-256: da4fc8a323a1639ea48d150dcb2a36f168535e589e463971683d76e26c03555c |
| kpatch-patch-4_18_0-147_20_1-debugsource-1-2.el8_1.x86_64.rpm | SHA-256: cb4e82e7ecc11779de8781f7c67d8c54bd5a5099603feea63aca0065db10c613 |
| kpatch-patch-4_18_0-147_3_1-1-12.el8_1.x86_64.rpm | SHA-256: 856ccef51780c9768deb258f40c85308359786cf536f396c847be3c0da3f2389 |
| kpatch-patch-4_18_0-147_5_1-1-7.el8_1.x86_64.rpm | SHA-256: d55dfa207e3e7d6aa8626ec5748a4adb7cadf33f7f524a8e57481524e55bcb48 |
| kpatch-patch-4_18_0-147_8_1-1-5.el8_1.x86_64.rpm | SHA-256: 5094960454d41410050e8737d934183f2628d58ab098f0acdeb9b412d197d1ff |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
