CVE-2022-47939

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Source
https://cve.org/CVERecord?id=CVE-2022-47939
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-47939.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-47939
Downstream
Published
2022-12-23T00:00:00Z
Modified
2026-05-18T05:55:27.210262532Z
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 SMB2TREEDISCONNECT.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47939.json",
    "cna_assigner": "mitre",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "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
3d7cb6b04c3f3115719235cc6866b10326de34cd
Database specific 
{
    "extracted_events": [
        {
            "introduced": "5.15"
        },
        {
            "fixed": "5.19"
        }
    ],
    "source": "DESCRIPTION"
}

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
v5.19-rc8

Database specific

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