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The vulnerabilities of the functions xfs_reflink_fill_cow_hole() and xfs_reflink_fill_delalloc() in the fs/xfs/xfs_reflink.c module of the Linux operating system’s file system XFS allow attackers to influence the confidentiality, integrity, and accessibility of protected information.

🗓️ 24 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Vulnerabilities in xfs_reflink_fill_cow_hole and xfs_reflink_fill_delalloc allow exploitation of synchronization errors to affect confidentiality, integrity, and availability.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64600
23 Jul 202605:46
attackerkb
Circl
CVE-2026-64600
22 Jul 202617:00
circl
CVE
CVE-2026-64600
23 Jul 202605:46
cve
Cvelist
CVE-2026-64600 xfs: resample the data fork mapping after cycling ILOCK
23 Jul 202605:46
cvelist
Debian CVE
CVE-2026-64600
23 Jul 202605:46
debiancve
EUVD
EUVD-2026-47879
23 Jul 202605:46
euvd
GithubExploit
Exploit for CVE-2026-64600
23 Jul 202609:29
githubexploit
NVD
CVE-2026-64600
23 Jul 202606:16
nvd
Tenable Nessus
Oracle Linux 10 : kernel (ELSA-2026-39494)
17 Jul 202600:00
nessus
Tenable Nessus
RHEL 8 : kernel (RHSA-2026:39984)
16 Jul 202600:00
nessus
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24 Jul 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 27.2
CVSS 38.4
EPSS0.00215
2