Red Hat Security Advisory: kernel security update

Fixed packages 71

Vulnerabilities 6

• Critical 9.8
  CVE-2025-38472

  netfilter: nf_conntrack: fix crash due to removal of uninitialised entry

  In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack: fix crash due to removal of uninitialised entry A crash in conntrack was reported while trying to unlink the conntrack entry from the hash bucket list: [exception RIP…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 28, 2025
• Critical 9.8
  CVE-2025-38527

  smb: client: fix use-after-free in cifs_oplock_break

  In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifs_oplock_break A race condition can occur in cifs_oplock_break() leading to a use-after-free of the cinode structure when unmounting: cifs_oplock_break()…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Aug 16, 2025
• High 7.8
  CVE-2025-38449

  drm/gem: Acquire references on GEM handles for framebuffers

  In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 25, 2025
• High 7.0
  CVE-2025-38461

  vsock: Fix transport_* TOCTOU

  In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_loca…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 25, 2025
• Unscored —
  CVE-2025-37810

  usb: dwc3: gadget: check that event count does not exceed event buffer length

  In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: check that event count does not exceed event buffer length The event count is read from register DWC3_GEVNTCOUNT. There is a check for the count being zero, but not for exc…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 8, 2025
• Unscored —
  CVE-2025-38200

  i40e: fix MMIO write access to an invalid page in i40e_clear_hw

  In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to an invalid page. Preven…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 4, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2365028
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376392
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383513
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383519
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383916
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2388928
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_17122.json
• report
  https://access.redhat.com/security/cve/CVE-2025-37810
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37810
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37810
• article
  https://lore.kernel.org/linux-cve-announce/2025050816-CVE-2025-37810-57c4@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38200
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38200
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38200
• article
  https://lore.kernel.org/linux-cve-announce/2025070418-CVE-2025-38200-47d9@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38449
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38449
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38449
• article
  https://lore.kernel.org/linux-cve-announce/2025072504-CVE-2025-38449-cbf0@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38461
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38461
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38461
• article
  https://lore.kernel.org/linux-cve-announce/2025072507-CVE-2025-38461-33b1@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38472
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38472
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38472
• article
  https://lore.kernel.org/linux-cve-announce/2025072812-CVE-2025-38472-fa6d@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38527
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38527
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38527
• article
  https://lore.kernel.org/linux-cve-announce/2025081654-CVE-2025-38527-c389@gregkh/T