File _patchinfo of Package patchinfo.20547

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File _patchinfo of Package patchinfo.20547

<patchinfo incident="20547">
  <issue id="1187052" tracker="bnc">VUL-1: CVE-2020-36385: kernel live patch: An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma</issue>
  <issue id="1188117" tracker="bnc">VUL-0: CVE-2021-22555: kernel live patch: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c</issue>
  <issue id="1188257" tracker="bnc">VUL-0: CVE-2021-33909: kernel livepatch: size_t-to-int vulnerability in Linux's filesystem layer</issue>
  <issue id="2020-36385" tracker="cve" />
  <issue id="2021-22555" tracker="cve" />
  <issue id="2021-33909" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>nstange</packager>
  <description>This update for the Linux Kernel 4.12.14-95_77 fixes several issues.

The following security issues were fixed:

- CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (bsc#1188062)
- CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation. (bsc#1188116)
- CVE-2020-36385: Fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called. (bnc#1187050)
</description>
<summary>Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP4)</summary>
</patchinfo>

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