Red Hat Security Advisory: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7]

Fixed packages 2

Vulnerabilities 5

• Medium 5.5
  CVE-2021-33910

  basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Va…

  systemd systemd Debian Ubuntu
  Jul 20, 2021
• Unscored —
  CVE-2021-32399 Public exploit

  net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  May 10, 2021
• Unscored —
  CVE-2021-33034 Public exploit

  In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  May 14, 2021
• Unscored —
  CVE-2021-33909 Public exploit

  fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, …

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Jul 20, 2021
• Unscored —
  CVE-2021-3447

  A flaw was found in several ansible modules, where parameters containing credentials, such as secrets, were being logge…

  ansible ansible ansible Debian Ubuntu PyPI
  Apr 1, 2021

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1883793
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1939349
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1955415
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1957242
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1958145
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1961305
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1970273
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1970887
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1970970
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1976005
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1976095
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1976118
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1976146
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1976148
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2736.json
• report
  https://access.redhat.com/security/cve/CVE-2021-3447
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-3447
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-3447
• report
  https://access.redhat.com/security/cve/CVE-2021-32399
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1970807
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-32399
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-32399
• report
  https://access.redhat.com/security/cve/CVE-2021-33034
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33034
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33034
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3
• article
  https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl
• article
  https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1
• report
  https://access.redhat.com/security/cve/CVE-2021-33909
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33909
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33909
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
• article
  https://www.openwall.com/lists/oss-security/2021/07/20/1
• article
  https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt
• report
  https://access.redhat.com/security/cve/CVE-2021-33910
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33910
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33910