Red Hat Bug Fix Advisory: kernel update

Fixed packages 46

Vulnerabilities 1

• 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://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_nvidia/26.01/html/26.01_release_notes/index
• article
  https://issues.redhat.com/browse/VOYAGER-1266
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhba-2026_39321.json
• report
  https://access.redhat.com/security/cve/CVE-2026-64600
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2498915
• 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