Red Hat Security Advisory: kernel security update

Fixed packages 91

Vulnerabilities 3

• High 7.8
  CVE-2025-37882

  usb: xhci: Fix isochronous Ring Underrun/Overrun event handling

  In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix isochronous Ring Underrun/Overrun event handling The TRB pointer of these events points at enqueue at the time of error occurrence on xHCI 1.1+ HCs or it's NULL on older ones. …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 9, 2025
• High 7.8
  CVE-2025-38106

  io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()

  In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by ta…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 3, 2025
• Unscored —
  CVE-2025-38415

  Squashfs: check return result of sb_min_blocksize

  In the Linux kernel, the following vulnerability has been resolved: Squashfs: check return result of sb_min_blocksize Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug. Syzkaller forks multiple processes which after mounting the Squas…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 25, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2365250
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376077
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383404
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3579.json
• report
  https://access.redhat.com/security/cve/CVE-2025-37882
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37882
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37882
• article
  https://lore.kernel.org/linux-cve-announce/2025050944-CVE-2025-37882-db64@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38106
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38106
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38106
• article
  https://kernelcve.org/list/?q=CVE-2025-38106
• article
  https://lore.kernel.org/linux-cve-announce/2025070322-CVE-2025-38106-8de3@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38415
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38415
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38415
• article
  https://lore.kernel.org/linux-cve-announce/2025072513-CVE-2025-38415-c634@gregkh/T