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4 vulnerabilities found for enterprise_linux_advanced_virtualization_eus by redhat
CVE-2021-3748 (GCVE-0-2021-3748)
Vulnerability from cvelistv5 – Published: 2022-03-23 19:46 – Updated: 2024-08-03 17:09
VLAI
Summary
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 unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.
Severity
No CVSS data available.
CWE
- CWE-416 - - Use After Free
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1998514 | x_refsource_MISC |
| https://ubuntu.com/security/CVE-2021-3748 | x_refsource_MISC |
| https://github.com/qemu/qemu/commit/bedd7e93d0196… | x_refsource_MISC |
| https://lists.nongnu.org/archive/html/qemu-devel/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022042… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202208-27 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | QEMU (virtio-net) |
Affected:
Affects qemu v0.10.0 and above, Fixed In – v6.2.0-rc0 and above.
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CVE-2021-3930 (GCVE-0-2021-3930)
Vulnerability from cvelistv5 – Published: 2022-02-18 17:50 – Updated: 2024-08-03 17:09
VLAI
Summary
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 this flaw to potentially crash QEMU, resulting in a denial of service condition.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2020588 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022022… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/202208-27 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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CVE-2021-3748 (GCVE-0-2021-3748)
Vulnerability from nvd – Published: 2022-03-23 19:46 – Updated: 2024-08-03 17:09
VLAI
Summary
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 unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.
Severity
No CVSS data available.
CWE
- CWE-416 - - Use After Free
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1998514 | x_refsource_MISC |
| https://ubuntu.com/security/CVE-2021-3748 | x_refsource_MISC |
| https://github.com/qemu/qemu/commit/bedd7e93d0196… | x_refsource_MISC |
| https://lists.nongnu.org/archive/html/qemu-devel/… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2022042… | x_refsource_CONFIRM |
| https://security.gentoo.org/glsa/202208-27 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | QEMU (virtio-net) |
Affected:
Affects qemu v0.10.0 and above, Fixed In – v6.2.0-rc0 and above.
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CVE-2021-3930 (GCVE-0-2021-3930)
Vulnerability from nvd – Published: 2022-02-18 17:50 – Updated: 2024-08-03 17:09
VLAI
Summary
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 this flaw to potentially crash QEMU, resulting in a denial of service condition.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2020588 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022022… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/202208-27 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
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