CVE-2025-68317 (GCVE-0-2025-68317)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:39 – Updated: 2025-12-16 15:39
VLAI?
Title
io_uring/zctx: check chained notif contexts
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < aaafd17d3f4be2c15539359a5b4bfa00237f687f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d664a3ce3a604231a0b144c152a3755d03b18b60 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ab3ea6eac5f45669b091309f592c4ea324003053 (git)
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    Linux Linux Unaffected: 6.12.58 , ≤ 6.12.* (semver)
Unaffected: 6.17.8 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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        "shortName": "Linux"
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    "datePublished": "2025-12-16T15:39:47.159Z",
    "dateReserved": "2025-12-16T14:48:05.295Z",
    "dateUpdated": "2025-12-16T15:39:47.159Z",
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  }
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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