File _patchinfo of Package patchinfo.18502

<patchinfo incident="18502">
  <issue id="1178372" tracker="bnc">VUL-0: CVE-2020-28374: kernel-source: LIO security issue</issue>
  <issue id="1181747" tracker="bnc">VUL-0: CVE-2021-26932: kernel-source: Linux grant mapping error handling issues (XSA-361 v4)</issue>
  <issue id="1181753" tracker="bnc">VUL-0: CVE-2021-26931: kernel-source: Linux backends treating grant mapping errors as bugs (XSA-362 v3)</issue>
  <issue id="1181843" tracker="bnc">VUL-0: CVE-2021-26930: kernel-source: error handling issues in blkback's grant mapping (XSA-365 v3)</issue>
  <issue id="1182175" tracker="bnc">L3: After moving SLES11SP4 domUs (guests) from SLES12 SP2 to SP5 dom0 - network and DB access is extremely slow</issue>
  <issue id="2021-26930" tracker="cve" />
  <issue id="2021-26931" tracker="cve" />
  <issue id="2021-26932" tracker="cve" />
  <issue id="2020-28374" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>osalvador</packager>
  <reboot_needed/>
  <description>The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

- CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1181843).
- CVE-2021-26931: Fixed an issue where Linux  kernel was treating grant mapping errors as bugs (XSA-362 bsc#1181753).
- CVE-2021-26932: Fixed improper error handling issues in Linux grant mapping (XSA-361 bsc#1181747).
- CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used
  by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#178372).

The following non-security bug was fixed:

- xen/netback: fix spurious event detection for common event case (bsc#1182175).
</description>
<summary>Security update for the Linux Kernel</summary>
</patchinfo>