Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Fixed packages 90

Vulnerabilities 2

• High 7.8
  CVE-2026-53016

  crypto: ccp - copy IV using skcipher ivsize

  In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - copy IV using skcipher ivsize AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver. ccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV buffer w…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 24, 2026
• High 7.8
  CVE-2026-64600 Public exploit

  xfs: resample the data fork mapping after cycling ILOCK

  In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfs_reflink_fill_{cow_hole,delalloc} are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, thes…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 23, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492269
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2498915
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39494.json
• report
  https://access.redhat.com/security/cve/CVE-2026-53016
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-53016
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-53016
• article
  https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-64600
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-64600
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-64600
• article
  https://cdn2.qualys.com/advisory/2026/07/22/RefluXFS.txt