CVE-2021-3638
CVE-2021-3638
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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.
CVSS 6.5 · Media · EPSS 0,4% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
qemu
- Versiones
- Affects qemu v4.0 to v6.1: Afectada
Sin corrección publicada
qemu Debian:12
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:6.1+dfsg-6
Actualiza a 1:6.1+dfsg-6
qemu Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:6.1+dfsg-6
Actualiza a 1:6.1+dfsg-6
qemu Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:6.1+dfsg-6
Actualiza a 1:6.1+dfsg-6
qemu Ubuntu:20.04:LTS
- Versiones
- 1:4.0+dfsg-0ubuntu9
- 1:4.0+dfsg-0ubuntu10
- 1:4.2-1ubuntu1
- 1:4.2-1ubuntu2
- 1:4.2-3ubuntu1
- 1:4.2-3ubuntu2
- 1:4.2-3ubuntu3
- 1:4.2-3ubuntu4
- 1:4.2-3ubuntu5
- 1:4.2-3ubuntu6
- 1:4.2-3ubuntu6.1
- 1:4.2-3ubuntu6.2
- 1:4.2-3ubuntu6.3
- 1:4.2-3ubuntu6.4
- 1:4.2-3ubuntu6.5
- 1:4.2-3ubuntu6.6
- 1:4.2-3ubuntu6.7
- 1:4.2-3ubuntu6.8
- 1:4.2-3ubuntu6.9
- 1:4.2-3ubuntu6.10
- 1:4.2-3ubuntu6.11
- 1:4.2-3ubuntu6.12
- 1:4.2-3ubuntu6.14
- 1:4.2-3ubuntu6.15
- 1:4.2-3ubuntu6.16
- 1:4.2-3ubuntu6.17
- 1:4.2-3ubuntu6.18
- 1:4.2-3ubuntu6.19
- 1:4.2-3ubuntu6.21
- 1:4.2-3ubuntu6.23
- 1:4.2-3ubuntu6.24
- 1:4.2-3ubuntu6.25
- 1:4.2-3ubuntu6.26
- 1:4.2-3ubuntu6.27
- Intervalos de versiones afectados
- ECOSYSTEM: < 1:4.2-3ubuntu6.28
Actualiza a 1:4.2-3ubuntu6.28
Fuentes originales
- https://bugzilla.redhat.com/show_bug.cgi?id=1979858
- https://ubuntu.com/security/CVE-2021-3638
- https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01682.html
- https://security.netapp.com/advisory/ntap-20220407-0003/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/
- https://nvd.nist.gov/vuln/detail/CVE-2021-3638