Security update for the Linux Kernel (Live Patch 0 for SLE 12 SP4)
Announcement ID: | SUSE-SU-2019:3252-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves five vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 4.12.14-94_41 fixes several issues.
The following security issues were fixed:
- CVE-2019-15917: Fixed a use-after-free when hci_uart_register_dev() fails in hci_uart_set_proto() (bsc#1156334).
- CVE-2018-20856: Fixed a use-after-free in block/blk-core.c due to improper error handling (bsc#1156331).
- CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321).
- CVE-2018-16871: Fixed an issue where an attacker, who could mount an exported NFS filesystem, was able to trigger a null pointer dereference by using an invalid NFS sequence leading to kernel panic and deny of access to the NFS server (bsc#1156320).
- CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).
Patch Instructions:
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
-
SUSE Linux Enterprise Live Patching 12-SP4
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2019-3252=1 SUSE-SLE-Live-Patching-12-SP4-2019-3253=1
Package List:
-
SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64)
- kgraft-patch-4_12_14-94_41-default-9-2.25.1
- kgraft-patch-SLE12-SP4_Update_0-debugsource-9-2.25.1
- kgraft-patch-4_12_14-94_41-default-debuginfo-9-2.25.1
- kgraft-patch-4_12_14-95_3-default-8-2.5
References:
- https://www.suse.com/security/cve/CVE-2018-16871.html
- https://www.suse.com/security/cve/CVE-2018-20856.html
- https://www.suse.com/security/cve/CVE-2019-10220.html
- https://www.suse.com/security/cve/CVE-2019-13272.html
- https://www.suse.com/security/cve/CVE-2019-15917.html
- https://bugzilla.suse.com/show_bug.cgi?id=1153108
- https://bugzilla.suse.com/show_bug.cgi?id=1156320
- https://bugzilla.suse.com/show_bug.cgi?id=1156321
- https://bugzilla.suse.com/show_bug.cgi?id=1156331
- https://bugzilla.suse.com/show_bug.cgi?id=1156334