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CVE-2021-3638
MEDIUM6.5
Descricao
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Detalhes CVE
Pontuacao CVSS v3.16.5
SeveridadeMEDIUM
Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Vetor de ataqueLOCAL
ComplexidadeLOW
Privilegios necessariosLOW
Interacao do usuarioNONE
Publicado3/3/2022
Ultima modificacao11/21/2024
Fontenvd
Avistamentos honeypot0
Produtos afetados
fedoraproject:fedoraqemu:qemu
Fraquezas (CWE)
CWE-787CWE-787
Referencias
https://bugzilla.redhat.com/show_bug.cgi?id=1979858(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/(secalert@redhat.com)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/(secalert@redhat.com)
https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html(secalert@redhat.com)
https://security.netapp.com/advisory/ntap-20220407-0003/(secalert@redhat.com)
https://ubuntu.com/security/CVE-2021-3638(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=1979858(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20220407-0003/(af854a3a-2127-422b-91ae-364da2661108)
https://ubuntu.com/security/CVE-2021-3638(af854a3a-2127-422b-91ae-364da2661108)
Correlacoes IOC
Sem correlacoes registradas
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