File _patchinfo of Package patchinfo.10626

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File _patchinfo of Package patchinfo.10626

<patchinfo incident="10626">
  <issue id="1124729" tracker="bnc">VUL-0: CVE-2019-6974: kernel live patch: KVM: potential use-after-free via kvm_ioctl_create_device()</issue>
  <issue id="1124734" tracker="bnc">VUL-0: CVE-2019-7221: kernel live patch: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer</issue>
  <issue id="1126284" tracker="bnc">VUL-0: CVE-2019-8912: kernel live patch: In the Linux kernel through 4.20.10, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.</issue>
  <issue id="1128378" tracker="bnc">VUL-0: CVE-2019-9213: kernel live patch: mm: enforce min addr even if capable() in expand_downwards()</issue>
  <issue id="2019-6974" tracker="cve" />
  <issue id="2019-7221" tracker="cve" />
  <issue id="2019-8912" tracker="cve" />
  <issue id="2019-9213" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>mbenes</packager>
  <description>This update for the Linux Kernel 4.12.14-25_16 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-2019-8912: af_alg_release() in crypto/af_alg.c neglected to set a NULL value for a certain structure member, which could have led to a use-after-free in sockfs_setattr (bsc#1126284).
- 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).
</description>
<summary>Security update for the Linux Kernel (Live Patch 4 for SLE 15)</summary>
</patchinfo>

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