Red Hat Security Advisory: kernel security update

Fixed packages 49

Vulnerabilities 5

• High 7.8
  CVE-2025-21919

  sched/fair: Fix potential memory corruption in child_cfs_rq_on_list

  In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in child_cfs_rq_on_list child_cfs_rq_on_list attempts to convert a 'prev' pointer to a cfs_rq. This 'prev' pointer can originate from struct rq's l…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 1, 2025
• High 7.8
  CVE-2025-22020

  memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove

  In the Linux kernel, the following vulnerability has been resolved: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove This fixes the following crash: ================================================================== BUG: KASAN: slab-us…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 16, 2025
• Unscored —
  CVE-2022-50020

  ext4: avoid resizing to a partial cluster size

  In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to clust…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 18, 2025
• Unscored —
  CVE-2025-38086

  net: ch9200: fix uninitialised access during mii_nway_restart

  In the Linux kernel, the following vulnerability has been resolved: net: ch9200: fix uninitialised access during mii_nway_restart In mii_nway_restart() the code attempts to call mii->mdio_read which is ch9200_mdio_read(). ch9200_mdio_read() utilises a local b…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 28, 2025
• Unscored —
  CVE-2025-38380 Rejected

  This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

  linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu
  Jul 25, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2356618
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360099
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373630
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2375305
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383381
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_14418.json
• report
  https://access.redhat.com/security/cve/CVE-2022-50020
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-50020
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-50020
• article
  https://lore.kernel.org/linux-cve-announce/2025061835-CVE-2022-50020-6f27@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-21919
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21919
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21919
• article
  https://lore.kernel.org/linux-cve-announce/2025040131-CVE-2025-21919-5f2a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22020
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22020
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22020
• article
  https://lore.kernel.org/linux-cve-announce/2025041642-CVE-2025-22020-70e8@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38086
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38086
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38086
• article
  https://lore.kernel.org/linux-cve-announce/2025062801-CVE-2025-38086-783b@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38380
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38380