Red Hat Security Advisory: kernel security and bug fix update

Fixed packages 53

Vulnerabilities 4

• Unscored —
  CVE-2020-14351

  A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local att…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu
  Dec 3, 2020
• Unscored —
  CVE-2021-27363

  An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address …

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 7, 2021
• Unscored —
  CVE-2021-27364

  An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected b…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 7, 2021
• Unscored —
  CVE-2021-27365 Public exploit

  An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate lengt…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Mar 7, 2021

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1862849
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1930078
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1930079
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1930080
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_1267.json
• report
  https://access.redhat.com/security/cve/CVE-2020-14351
• advisory
  https://www.cve.org/CVERecord?id=CVE-2020-14351
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2020-14351
• report
  https://access.redhat.com/security/cve/CVE-2021-27363
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-27363
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-27363
• article
  https://www.openwall.com/lists/oss-security/2021/03/06/1
• report
  https://access.redhat.com/security/cve/CVE-2021-27364
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-27364
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-27364
• report
  https://access.redhat.com/security/cve/CVE-2021-27365
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-27365
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-27365