File _patchinfo of Package patchinfo.16943

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File _patchinfo of Package patchinfo.16943

<patchinfo incident="16943">
  <issue id="1175992" tracker="bnc">VUL-0: CVE-2020-24394: kernel live patch: umask not applied on filesystem without ACL support</issue>
  <issue id="1176012" tracker="bnc">VUL-0: CVE-2020-14381: kernel live patch: referencing inode of removed superblock in get_futex_key() causes UAF</issue>
  <issue id="1176072" tracker="bnc">VUL-0: CVE-2020-14386: kernel live patch: local privilege escalation via memory corruption in net/packet/af_packet.c</issue>
  <issue id="1176382" tracker="bnc">VUL-0: CVE-2020-25212: kernel live patch: TOCTOU mismatch in the NFS client code</issue>
  <issue id="1176896" tracker="bnc">VUL-1: CVE-2020-0431: kernel live patch: possible out of bounds write in kbd_keycode of keyboard.c</issue>
  <issue id="2020-0431" tracker="cve" />
  <issue id="2020-14381" tracker="cve" />
  <issue id="2020-14386" tracker="cve" />
  <issue id="2020-24394" tracker="cve" />
  <issue id="2020-25212" tracker="cve" />
  <category>security</category>
  <rating>important</rating>
  <packager>nstange</packager>
  <description>This update for the Linux Kernel 4.12.14-150_55 fixes several issues.

The following security issues were fixed:

- CVE-2020-14381: Fixed a use-after-free in the fast user mutex (futex) wait operation, which could have lead to memory corruption and possibly privilege escalation (bsc#1176011).
- CVE-2020-0431: In kbd_keycode of keyboard.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bsc#1176722)
- CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c (bsc#1176381).
- CVE-2020-14386: Fixed a memory corruption which could have lead to an attacker gaining root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity (bsc#1176069).
- CVE-2020-24394: The NFS server code can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support. This occurs because the current umask is not considered (bsc#1175518).
</description>
<summary>Security update for the Linux Kernel (Live Patch 19 for SLE 15)</summary>
</patchinfo>

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