Red Hat Security Advisory: kernel security update

Fixed packages 71

Vulnerabilities 5

• High 8.6
  CVE-2025-22004

  net: atm: fix use after free in lec_send()

  In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 3, 2025
• High 8.4
  CVE-2025-22121

  ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

  In the Linux kernel, the following vulnerability has been resolved: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() There's issue as follows: BUG: KASAN: use-after-free in ext4_xattr_inode_dec_ref_all+0x6ff/0x790 Read of size 4 at addr ffff88807…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 2025
• High 7.8
  CVE-2025-23150

  ext4: fix off-by-one error in do_split

  In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 1, 2025
• High 7.8
  CVE-2025-37803

  udmabuf: fix a buf size overflow issue during udmabuf creation

  In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 8, 2025
• Unscored —
  CVE-2025-22104

  ibmvnic: Use kernel helpers for hex dumps

  In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Use kernel helpers for hex dumps Previously, when the driver was printing hex dumps, the buffer was cast to an 8 byte long and printed using string formatters. If the buffer size was…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 16, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2357142
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360199
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360265
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2363268
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2365013
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_11571.json
• report
  https://access.redhat.com/security/cve/CVE-2025-22004
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22004
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22004
• article
  https://lore.kernel.org/linux-cve-announce/2025040349-CVE-2025-22004-64f9@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22104
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22104
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22104
• article
  https://lore.kernel.org/linux-cve-announce/2025041622-CVE-2025-22104-0a82@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22121
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22121
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22121
• article
  https://lore.kernel.org/linux-cve-announce/2025041628-CVE-2025-22121-52fd@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-23150
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-23150
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-23150
• article
  https://lore.kernel.org/linux-cve-announce/2025050127-CVE-2025-23150-15b8@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37803
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37803
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37803
• article
  https://lore.kernel.org/linux-cve-announce/2025050814-CVE-2025-37803-0c5c@gregkh/T