CVE-2022-47939

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Source

https://cve.org/CVERecord?id=CVE-2022-47939

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47939.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2022-47939

Downstream

Published

2022-12-23T00:00:00Z

Modified

2026-11-11T10:46:09Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

Database specific

{
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47939.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "fixed": "5.19.2"
                        }
                    ],
                    "source": "DESCRIPTION"
                }
            ]
        }
    ]
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Affected ranges

Type

GIT

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Events

Introduced

8bb7eca972ad531c9b149c0a51ab43a417385813

Fixed

cf6531d98190fa2cf92a6d8bbc8af0a4740a223c

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "5.15"
                },
                {
                    "last_affected": "5.19"
                }
            ],
            "source": "DESCRIPTION"
        },
        {
            "range": [
                {
                    "fixed": "cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v5.*

v5.15

v5.16

v5.16-rc1

v5.16-rc2

v5.16-rc3

v5.16-rc4

v5.16-rc5

v5.16-rc6

v5.16-rc7

v5.16-rc8

v5.17

v5.17-rc1

v5.17-rc2

v5.17-rc3

v5.17-rc4

v5.17-rc5

v5.17-rc6

v5.17-rc7

v5.17-rc8

v5.18

v5.18-rc1

v5.18-rc2

v5.18-rc3

v5.18-rc4

v5.18-rc5

v5.18-rc6

v5.18-rc7

v5.19-rc1

v5.19-rc2

v5.19-rc3

v5.19-rc4

v5.19-rc5

v5.19-rc6

v5.19-rc7

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47939.json"