Red Hat Security Advisory: kernel security and bug fix update

Fixed packages 25

Vulnerabilities 4

• Medium 5.9
  CVE-2020-10711

  A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occ…

  Red Hat kernel linux-raspi2 linux-hwe Debian Ubuntu
  May 22, 2020
• Unscored —
  CVE-2019-18660

  The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  Nov 27, 2019
• Unscored —
  CVE-2020-11884

  In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as d…

  linux-hwe linux-riscv linux linux-gke Debian Ubuntu
  Apr 29, 2020
• Unscored —
  CVE-2020-12657

  An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to b…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  May 5, 2020

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://access.redhat.com/solutions/5142691
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1777825
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1825116
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1828149
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1832866
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2429.json
• report
  https://access.redhat.com/security/cve/CVE-2019-18660
• advisory
  https://www.cve.org/CVERecord?id=CVE-2019-18660
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2019-18660
• report
  https://access.redhat.com/security/cve/CVE-2020-10711
• advisory
  https://www.cve.org/CVERecord?id=CVE-2020-10711
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2020-10711
• report
  https://access.redhat.com/security/cve/CVE-2020-11884
• advisory
  https://www.cve.org/CVERecord?id=CVE-2020-11884
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2020-11884
• report
  https://access.redhat.com/security/cve/CVE-2020-12657
• advisory
  https://www.cve.org/CVERecord?id=CVE-2020-12657
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2020-12657