- Issued:
- 2019-09-21
- Updated:
- 2019-09-21
RHSA-2019:2854 - Security Advisory
Synopsis
Important: kpatch-patch security update
Type/Severity
Security Advisory: Important
Topic
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.
Description
This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel.
Security Fix(es):
- A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)
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:
https://access.redhat.com/articles/11258
Affected Products
- Red Hat Enterprise Linux Server 7 x86_64
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
- Red Hat Enterprise Linux Server - AUS 7.7 x86_64
- Red Hat Enterprise Linux for Power, little endian 7 ppc64le
- Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
- Red Hat Enterprise Linux Server - TUS 7.7 x86_64
- Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le
- Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7 x86_64
Fixes
- BZ - 1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration
CVEs
References
Note:
More recent versions of these packages may be available.
Click a package name for more details.
Red Hat Enterprise Linux Server 7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| x86_64 | |
| kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm | SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm | SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm | SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861 |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm | SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0 |
Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| x86_64 | |
| kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm | SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm | SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm | SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861 |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm | SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0 |
Red Hat Enterprise Linux Server - AUS 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| x86_64 | |
| kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm | SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm | SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm | SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861 |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm | SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0 |
Red Hat Enterprise Linux for Power, little endian 7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| ppc64le | |
| kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm | SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm | SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8 |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| ppc64le | |
| kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm | SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm | SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8 |
Red Hat Enterprise Linux Server - TUS 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| x86_64 | |
| kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm | SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm | SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm | SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861 |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm | SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0 |
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| ppc64le | |
| kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm | SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm | SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm | SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8 |
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7
| SRPM | |
|---|---|
| kpatch-patch-3_10_0-1062-1-1.el7.src.rpm | SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7 |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm | SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc |
| x86_64 | |
| kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm | SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7 |
| kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm | SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c |
| kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm | SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861 |
| kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm | SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0 |
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