CVE-2025-68784 (GCVE-0-2025-68784)

Vulnerability from cvelistv5 – Published: 2026-01-13 15:28 – Updated: 2026-01-13 15:28
VLAI?
Title
xfs: fix a UAF problem in xattr repair
Summary
In the Linux kernel, the following vulnerability has been resolved: xfs: fix a UAF problem in xattr repair The xchk_setup_xattr_buf function can allocate a new value buffer, which means that any reference to ab->value before the call could become a dangling pointer. Fix this by moving an assignment to after the buffer setup.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e47dcf113ae348678143cc935a1183059c02c9ad , < 1e2d3aa19c7962b9474b22893160cb460494c45f (git)
Affected: e47dcf113ae348678143cc935a1183059c02c9ad , < d29ed9ff972afe17c215cab171761d7a15d7063f (git)
Affected: e47dcf113ae348678143cc935a1183059c02c9ad , < 5990fd756943836978ad184aac980e2b36ab7e01 (git)
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    Linux Linux Affected: 6.10
Unaffected: 0 , < 6.10 (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc2 , ≤ * (original_commit_for_fix)
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix a UAF problem in xattr repair\n\nThe xchk_setup_xattr_buf function can allocate a new value buffer, which\nmeans that any reference to ab-\u003evalue before the call could become a\ndangling pointer.  Fix this by moving an assignment to after the buffer\nsetup."
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      "providerMetadata": {
        "dateUpdated": "2026-01-13T15:28:58.255Z",
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        "shortName": "Linux"
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      "title": "xfs: fix a UAF problem in xattr repair",
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    "cveId": "CVE-2025-68784",
    "datePublished": "2026-01-13T15:28:58.255Z",
    "dateReserved": "2025-12-24T10:30:51.036Z",
    "dateUpdated": "2026-01-13T15:28:58.255Z",
    "state": "PUBLISHED"
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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