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CVE-2021-20221

Low priority

Some fixes available 11 of 13

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-3507

Low priority

Some fixes available 9 of 13

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-3409

Medium priority

Some fixes available 11 of 13

The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-3392

Low priority

Some fixes available 11 of 13

A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-3416

Low priority

Some fixes available 3 of 5

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Not affected Not affected Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-20255

Medium priority
Vulnerable

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-20263

Low priority
Not affected

A flaw was found in the virtio-fs shared file system daemon (virtiofsd) of QEMU. The new 'xattrmap' option may cause the 'security.capability' xattr in the guest to not drop on file write, potentially leading to a...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Not affected Not affected Not affected Not affected
qemu-kvm Not in release Not in release Not in release Not in release
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CVE-2021-20203

Low priority

Some fixes available 9 of 13

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may...

1 affected package

qemu

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Vulnerable
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CVE-2021-20257

Medium priority

Some fixes available 3 of 5

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This...

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Not affected Not affected Fixed Fixed Vulnerable
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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CVE-2021-20181

Medium priority

Some fixes available 12 of 13

A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system....

2 affected packages

qemu, qemu-kvm

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
qemu Fixed Fixed Fixed Fixed Fixed
qemu-kvm Not in release Not in release Not in release Not in release Not in release
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