fkie_cve-2022-0934
Vulnerability from fkie_nvd
Published
2022-08-29 15:15
Modified
2025-11-03 22:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2022-0934Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2057075Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.htmlMailing List, Vendor Advisory
secalert@redhat.comhttps://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39Broken Link
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2022-0934Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2057075Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
af854a3a-2127-422b-91ae-364da2661108https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.htmlMailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39Broken Link
Impacted products
Vendor Product Version
thekelleys dnsmasq *
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0


To clipboard 

{
  "configurations": [
    {
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        {
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              "matchCriteriaId": "D7313DE5-EF30-46AC-81F4-5F28B7F2F1AA",
              "versionEndExcluding": "2.87",
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    },
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      "value": "En dnsmasq ha sido encontrado un fallo de escritura/uso de memoria previamente liberada de un byte no arbitrario. Este fallo permite a un atacante que env\u00ede un paquete dise\u00f1ado procesado por dnsmasq, causando potencialmente una denegaci\u00f3n de servicio"
    }
  ],
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  "lastModified": "2025-11-03T22:15:55.280",
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  "vulnStatus": "Modified",
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  ]
}


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