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CVE-2026-64600

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, these two helpers cycle the ILOCK to grab a transaction, which means that the mappings are stale as soon as we reacquire the ILOCK. Currently we refresh the cow fork mapping by re-calling xfs_find_trim_cow_extent, but we don't refresh the da
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1615e78656396437e93c0f9578a9abbf185b78198003b270767bb8e6b1a48151
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/xfs/xfs_reflink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"dc11be133efca5fe3a2fb02b016dee825cc12f18","status":"affected","version":"3c68d44a2b49a0ac9165faa9c191e1e618c8a8d5","versionType":"git"},{"lessThan":"b8c9aa832b52680ee40d6cab0efb081f9a69df05","status":"affected","version":"3c68d44a2b49a0ac9165faa9c191e1e618c8a8d5","versionType":"git"},{"lessThan":"50f0012da1040f69a4e788cd9aed587c9a04983f","status":"affected","version":"3c68d44a2b49a0ac9165faa9c…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/xfs/xfs_reflink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOr…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/xfs/xfs_reflink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"dc11be133efca5fe3a2fb02b016dee825cc12f18","status":"affected","version":"3c68d44a2b49a0ac9165faa9c191e1e618c8a8d5","versionType":"git"},{"lessThan":"b8c9aa832b52680ee40d6cab0efb081f9a69df05","status":"affected","version":"3c68d44a2b49a0ac9165faa9c191e1e618c8a8d5","versionType":"git"},{"lessThan":"50f0012da1040f69a4e788cd9aed587c9a04983f","status":"affected","version":"3c68d44a2b49a0ac9165faa9c…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/xfs/xfs_reflink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOr…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/metrics/0/cvssV3_1

Source references

14 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/07/22/14"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/0
{"url":"http://www.openwall.com/lists/oss-security/2026/07/22/18"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/1
{"url":"http://www.openwall.com/lists/oss-security/2026/07/22/19"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/2
{"url":"http://www.openwall.com/lists/oss-security/2026/07/31/3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/3
{"url":"http://www.openwall.com/lists/oss-security/2026/08/03/4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/4
{"url":"http://www.openwall.com/lists/oss-security/2026/08/03/8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/adp/0/references/5
{"url":"https://cdn2.qualys.com/advisory/2026/07/22/RefluXFS.txt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/206c09b04dc5469c7ff14d8aceff2d47c88078d9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/2f4acd0fcd862e22eab45690ec2c08c80b6ef2e7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/44f891bc088958399eec27f7604928694aa35581"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/50f0012da1040f69a4e788cd9aed587c9a04983f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b8c9aa832b52680ee40d6cab0efb081f9a69df05"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/dc11be133efca5fe3a2fb02b016dee825cc12f18"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e705d81a7193dd19e69b8e2bad4696d78a4ea075"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a8c7df0b4a3a1af971f419e25f9771636b46fb6e8c937f2f807aaec3f559cec · sha256:15400f9463bc857e… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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