File _patchinfo of Package patchinfo.10602

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File _patchinfo of Package patchinfo.10602

<patchinfo incident="10602">
  <issue id="1102682" tracker="bnc">VUL-0: CVE-2018-5390: kernel live patch: denial of service conditions with low rates of specially modified packets aka "SegmentSmack"</issue>
  <issue id="1107832" tracker="bnc">VUL-0: CVE-2018-14633: kernel live patch: security flaw in iscsi target code</issue>
  <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="1128378" tracker="bnc">VUL-0: CVE-2019-9213: kernel live patch: mm: enforce min addr even if capable() in expand_downwards()</issue>
  <issue id="2018-14633" tracker="cve" />
  <issue id="2018-5390" tracker="cve" />
  <issue id="2019-6974" tracker="cve" />
  <issue id="2019-7221" tracker="cve" />
  <issue id="2019-9213" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>mbenes</packager>
  <description>This update for the Linux Kernel 4.4.121-92_101 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).
- CVE-2018-14633: A security flaw was found in the chap_server_compute_md5() function in the ISCSI target code in a way an authentication request from an ISCSI initiator is processed. An unauthenticated remote attacker can cause a stack buffer overflow and smash up to 17 bytes of the stack. The attack requires the iSCSI target to be enabled on the victim host (bsc#1107832).
- CVE-2018-5390: The Linux kernel could be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which could have led to a denial of service (bsc#1102682).
</description>
<summary>Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP2)</summary>
</patchinfo>

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