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CVE-2021-4145

Low priority
Not affected

A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
qemu Not affected Not affected Not affected
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CVE-2021-4158

Low priority
Fixed

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

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-2021-3929

Low priority

Some fixes available 1 of 2

A DMA reentrancy issue was found in the NVM Express Controller (NVME) emulation in QEMU. This CVE is similar to CVE-2021-3750 and, just like it, when the reentrancy write triggers the reset function nvme_ctrl_reset(), data structs...

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-2021-3748

Medium priority

Some fixes available 5 of 6

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 num_buffers being set after the virtqueue elem has been...

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-2021-3713

Low priority

Some fixes available 2 of 3

An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU in versions prior to 6.2.0-rc0. The device uses the guest supplied stream number unchecked, which can lead to out-of-bounds access...

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-2021-3682

Medium priority

Some fixes available 7 of 8

A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfer from a SPICE client due to the packet queue being full. A malicious...

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-2021-3608

Low priority
Fixed

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result in a crash of QEMU or cause...

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-2021-3607

Low priority
Fixed

An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation....

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-2021-3582

Medium priority
Fixed

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to...

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-2021-3595

Low priority
Fixed

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the...

2 affected packages

libslirp, qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libslirp Fixed Fixed Fixed Not in release
qemu Not affected Not affected Not affected Fixed
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