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CVE-2026-3842

Опубликовано: 16 июл. 2026
Источник: debian
EPSS Низкий

Описание

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
qemufixed1:10.2.2+ds-1package
qemufixed1:10.0.10+ds-0+deb13u1trixiepackage
qemuno-dsabookwormpackage
qemunot-affectedbullseyepackage

Примечания

  • Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/85af4e937016ed2f20122eb116597d1abb30c5c0 (v10.2.2)

EPSS

Процентиль: 2%
0.00124
Низкий

Связанные уязвимости

CVSS3: 7.8
ubuntu
2 месяца назад

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.

CVSS3: 7.8
redhat
7 месяцев назад

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.

CVSS3: 7.8
nvd
2 месяца назад

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.

CVSS3: 7.8
msrc
2 месяца назад

Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write

CVSS3: 7.8
github
2 месяца назад

A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write data beyond its allocated memory. This occurs when cpu_physical_memory_map() returns a shorter length than expected, leading to an out-of-bounds write. Successful exploitation could result in unauthorized access to guest memory or corruption of heap-allocated objects, potentially causing information disclosure, data integrity issues, or a denial of service.

EPSS

Процентиль: 2%
0.00124
Низкий