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CVE-2021-4207

Medium priority

Some fixes available 10 of 12

A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.height` can lead to the allocation of a small cursor object followed by a...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Fixed Fixed
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CVE-2021-4206

Medium priority

Some fixes available 10 of 12

A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Fixed Fixed
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CVE-2021-20295

Negligible priority
Not affected

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm...

2 affected packages

qemu-kvm, qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu-kvm Not in release Not in release
qemu Not affected Not affected
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CVE-2022-1050

Low priority

Some fixes available 3 of 4

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition.

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Not affected
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CVE-2022-26354

Low priority

Some fixes available 10 of 12

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Fixed Fixed
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CVE-2022-26353

Low priority

Some fixes available 10 of 12

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 and other unexpected...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Fixed Fixed
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CVE-2021-3638

Medium priority

Some fixes available 1 of 5

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...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Not affected Not affected Fixed Not affected
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CVE-2021-3947

Medium priority

Some fixes available 1 of 2

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Not affected Not affected
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CVE-2021-3930

Low priority

Some fixes available 7 of 8

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Fixed Fixed
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CVE-2022-0358

Medium priority
Fixed

A flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd) implementation. This flaw is strictly related to CVE-2018-13405. A local guest user can create files in the directories shared by virtio-fs with...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Fixed Not affected Not affected
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