Linux Kernel: Schwachstelle ermöglicht Denial of Service

Summary

Product

Vulnerabilities 1

• Medium 5.5
  CVE-2023-6560

  Kernel: io_uring out of boundary memory access in __io_uaddr_map()

  An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.

  Red Hat Fedora Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Linux Debian Ubuntu Azure Linux
  Dec 8, 2023

Revision history

1. 2024-03-19 #6

   Neue Updates von Ubuntu aufgenommen

2. 2024-03-07 #5

   Neue Updates von Ubuntu aufgenommen

3. 2024-03-06 #4

   Neue Updates von Ubuntu aufgenommen

4. 2023-12-11 #3

   Neue Updates von Fedora aufgenommen

5. 2023-12-10 #2

   Neue Updates von Fedora aufgenommen

6. 2023-12-06 #1

   Initiale Fassung

References

• Red Hat Bugzilla vom 2023-12-06
  https://bugzilla.redhat.com/show_bug.cgi?id=2253249
• RedHat Customer Portal vom 2023-12-06
  https://access.redhat.com/security/cve/CVE-2023-6560
• Fedora Security Advisory FEDORA-2023-41417507BB vom 2023-12-09
  https://bodhi.fedoraproject.org/updates/FEDORA-2023-41417507bb
• Fedora Security Advisory FEDORA-2023-AC1FDF3405 vom 2023-12-09
  https://bodhi.fedoraproject.org/updates/FEDORA-2023-ac1fdf3405
• Fedora Security Advisory FEDORA-2023-A8AFE852A3 vom 2023-12-11
  https://bodhi.fedoraproject.org/updates/FEDORA-2023-a8afe852a3
• Fedora Security Advisory FEDORA-2023-4DF366EE80 vom 2023-12-11
  https://bodhi.fedoraproject.org/updates/FEDORA-2023-4df366ee80
• Ubuntu Security Notice USN-6680-1 vom 2024-03-07
  https://ubuntu.com/security/notices/USN-6680-1
• Ubuntu Security Notice USN-6680-2 vom 2024-03-08
  https://ubuntu.com/security/notices/USN-6680-2
• Ubuntu Security Notice USN-6680-3 vom 2024-03-19
  https://ubuntu.com/security/notices/USN-6680-3