SUSE-SU-2019:0683-1
SUSE-SU-2019:0683-1 · Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP2)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This update for the Linux Kernel 4.4.121-92_80 fixes several issues. The following security issues were fixed: - CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bsc#1128378). - CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM hypervisor related to the emulation of a preemption timer, allowing an guest user/process to crash the host kernel. (bsc#1124734). - CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled reference counting because of a race condition, leading to a use-after-free (bsc#1124729).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kgraft-patch-sle12-sp2_update_23 SUSE:Linux Enterprise Server for SAP Applications 12 SP2
- Affected ranges
- ECOSYSTEM: < 7-2.1
Update to 7-2.1
kgraft-patch-sle12-sp2_update_21 SUSE:Linux Enterprise Server for SAP Applications 12 SP2
- Affected ranges
- ECOSYSTEM: < 10-2.1
Update to 10-2.1
kgraft-patch-sle12-sp2_update_20 SUSE:Linux Enterprise Server for SAP Applications 12 SP2
- Affected ranges
- ECOSYSTEM: < 11-2.1
Update to 11-2.1
kgraft-patch-sle12-sp2_update_22 SUSE:Linux Enterprise Server for SAP Applications 12 SP2
- Affected ranges
- ECOSYSTEM: < 10-2.1
Update to 10-2.1
kgraft-patch-sle12-sp2_update_23 SUSE:Linux Enterprise Server 12 SP2-LTSS
- Affected ranges
- ECOSYSTEM: < 7-2.1
Update to 7-2.1
kgraft-patch-sle12-sp2_update_21 SUSE:Linux Enterprise Server 12 SP2-LTSS
- Affected ranges
- ECOSYSTEM: < 10-2.1
Update to 10-2.1
kgraft-patch-sle12-sp2_update_20 SUSE:Linux Enterprise Server 12 SP2-LTSS
- Affected ranges
- ECOSYSTEM: < 11-2.1
Update to 11-2.1
kgraft-patch-sle12-sp2_update_22 SUSE:Linux Enterprise Server 12 SP2-LTSS
- Affected ranges
- ECOSYSTEM: < 10-2.1
Update to 10-2.1
Original sources
- https://www.suse.com/support/update/announcement/2019/suse-su-20190683-1/
- https://bugzilla.suse.com/1124729
- https://bugzilla.suse.com/1124734
- https://bugzilla.suse.com/1128378
- https://www.suse.com/security/cve/CVE-2019-6974
- https://www.suse.com/security/cve/CVE-2019-7221
- https://www.suse.com/security/cve/CVE-2019-9213
- https://osv.dev/vulnerability/SUSE-SU-2019:0683-1