USN-5489-1 qemu vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

USN-5489-1: QEMU vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : QEMU vulnerabilities (USN-5489-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5489-1 advisory. Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could us...

Oracle Linux 8 : olcne (ELSA-2022-9494)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9494 advisory. 1.4.5-1 - Address qemu CVE-2022-26353, CVE-2021-3748 Tenable has extracted the preceding description block directly from the Oracle Linux security...

Oracle Linux 7 : olcne (ELSA-2022-9491)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9491 advisory. 1.5.3-1 - Address qemu CVE-2022-26353, CVE-2021-3748 Tenable has extracted the preceding description block directly from the Oracle Linux security...

Oracle Linux 7 : olcne (ELSA-2022-9492)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9492 advisory. 1.4.5-1 - Address qemu CVE-2022-26353, CVE-2021-3748 Tenable has extracted the preceding description block directly from the Oracle Linux security...

Oracle Linux 8 : olcne (ELSA-2022-9493)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9493 advisory. 1.5.3-1 - Address qemu CVE-2022-26353, CVE-2021-3748 Tenable has extracted the preceding description block directly from the Oracle Linux security...

QEMU: virtio-net: map leaking on error during receive

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage, use-after-free or other unexpected results. A malicious privileged guest could exploit...

RHEL 8 : virt:av and virt-devel:av (RHSA-2022:5002)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:5002 advisory. The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Re...

Oracle Linux 8 : kvm_utils (ELSA-2022-9460)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9460 advisory. - A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct...

qemu security update

15:4.2.1-17.el7 - arm/acpi: fix an out of spec UID for PCI root Michael S. Tsirkin - arm/acpi: fix duplicated UID of PCI interrupt link devices Heyi Guo - arm/acpi: fix PCI PRT definition Heyi Guo - docs: fix references to docs/devel/atomics.rst Stefano Garzarella Orabug: 33659123 - rcu: do not...

OESA-2022-1662 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursoralloc function can lead to the allocation of a small cursor object followed by a subsequent...

QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...

Debian DSA-5133-1 : qemu - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5133 advisory. Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service or the execution of arbitrary code. For the...

Memory Leak

qemu is vulnerable to a memory leak. The vulnerability exists in virtio-net device of qemu where it forgets to unmap the cached virtqueue element on error where a malicious privileged guest could exploit this issue to crash qemu within the context of the qemu process on the host...

CVE-2021-3748

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...

CVE-2021-3748

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...

AZL-9121 CVE-2021-3748 affecting package qemu for versions less than 6.2.0-2

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...

DEBIAN-CVE-2021-3748

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...

CVE-2021-3748

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to numbuffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting i...