Red Hat Security Advisory: kernel security update

Fixed packages 85

Vulnerabilities 2

• High 7.8
  CVE-2024-47745

  mm: call the security_mmap_file() LSM hook in remap_file_pages()

  In the Linux kernel, the following vulnerability has been resolved: mm: call the security_mmap_file() LSM hook in remap_file_pages() The remap_file_pages syscall handler calls do_mmap() directly, which doesn't contain the LSM security check. And if the proces…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Oct 21, 2024
• High 7.8
  CVE-2025-21756 Public exploit

  vsock: Keep the binding until socket destruction

  In the Linux kernel, the following vulnerability has been resolved: vsock: Keep the binding until socket destruction Preserve sockets bindings; this includes both resulting from an explicit bind() and those implicitly bound through autobind during connect(). …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 27, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2320248
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2348609
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7683.json
• report
  https://access.redhat.com/security/cve/CVE-2024-47745
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-47745
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-47745
• article
  https://lore.kernel.org/linux-cve-announce/2024102111-CVE-2024-47745-42e6@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-21756
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21756
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21756
• article
  https://lore.kernel.org/linux-cve-announce/2025022603-CVE-2025-21756-5e09@gregkh/T