Red Hat Security Advisory: kernel security update

Fixed packages 91

Vulnerabilities 4

• Critical 9.8
  CVE-2026-53246

  sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing

  In the Linux kernel, the following vulnerability has been resolved: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing When a listening SCTP server processes a COOKIE_ECHO chunk, the cached peer INIT chunk embedded after the cookie is pars…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 25, 2026
• Critical 9.1
  CVE-2026-53224

  sctp: validate embedded INIT chunk and address list lengths in cookie

  In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded INIT chunk and address list lengths in cookie sctp_unpack_cookie() only checked that the embedded INIT chunk length did not exceed the remaining cookie payload, but di…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 25, 2026
• High 8.1
  CVE-2026-43051

  HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq

  In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix out-of-bounds read in wacom_intuos_bt_irq The wacom_intuos_bt_irq() function processes Bluetooth HID reports without sufficient bounds checking. A maliciously crafted short re…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 1, 2026
• Unscored —
  CVE-2026-53073

  Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error

  In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error When hci_register_dev() fails in hci_uart_register_dev() HCI_UART_PROTO_INIT is not cleared before calling hu->proto->close(hu) and se…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 24, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2464462
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492447
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492769
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492771
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_92362.json
• report
  https://access.redhat.com/security/cve/CVE-2026-43051
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-43051
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-43051
• article
  https://lore.kernel.org/linux-cve-announce/2026050107-CVE-2026-43051-0d15@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-53073
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-53073
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-53073
• article
  https://lore.kernel.org/linux-cve-announce/2026062405-CVE-2026-53073-9692@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-53224
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-53224
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-53224
• article
  https://lore.kernel.org/linux-cve-announce/2026062506-CVE-2026-53224-4b04@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-53246
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-53246
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-53246
• article
  https://lore.kernel.org/linux-cve-announce/2026062512-CVE-2026-53246-e748@gregkh/T