CVE-2021-47123

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Source
https://cve.org/CVERecord?id=CVE-2021-47123
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47123.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47123
Downstream
Published
2024-03-15T21:15:07.217Z
Modified
2026-03-15T22:43:05.547229Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix ltout double free on completion race

Always remove linked timeout on iolinktimeoutfn() from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn() puts linked timeout in the fail path, and then will be found and put on master's free.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "5.11"
            },
            {
                "fixed": "5.12.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13-rc1"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47123.json"