Vulnerability-Lookup

alsa-2021:1064

Vulnerability from osv_almalinux

Published

2021-04-05 16:17

Modified

2021-12-23 15:15

Summary

Moderate: virt:rhel and virt-devel:rhel security update

Details

Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.

Security Fix(es):

QEMU: Regression of CVE-2020-10756 fix in virt:rhel/qemu-kvm in AlmaLinux (CVE-2021-20295)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

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{
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  "details": "Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.\n\nSecurity Fix(es):\n\n* QEMU: Regression of CVE-2020-10756 fix in virt:rhel/qemu-kvm in AlmaLinux (CVE-2021-20295)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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      "url": "https://vulners.com/cve/CVE-2021-20295"
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  "related": [
    "CVE-2020-10756",
    "CVE-2021-20295"
  ],
  "summary": "Moderate: virt:rhel and virt-devel:rhel security update"
}

CVE-2020-10756 (GCVE-0-2020-10756)

Vulnerability from cvelistv5 – Published: 2020-07-09 15:34 – Updated: 2024-08-04 11:14

Summary

An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.

Severity ?

No CVSS data available.

CWE

Out-of-bounds Read

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1835986	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://www.debian.org/security/2020/dsa-4728	vendor-advisoryx_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://usn.ubuntu.com/4437-1/	vendor-advisoryx_refsource_UBUNTU
	https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC
	https://usn.ubuntu.com/4467-1/	vendor-advisoryx_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-2020100…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	Slirp	Affected: All libslirp versions before 4.3.1

Show details on NVD website

JSON

To clipboard

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CVE-2021-20295 (GCVE-0-2021-20295)

Vulnerability from cvelistv5 – Published: 2022-04-01 22:17 – Updated: 2024-08-03 17:37

Summary

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 component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.

Severity ?

No CVSS data available.

CWE

CWE-125

Assigner

redhat

References

URL

	Vendor	Product	Version
	n/a	QEMU	Affected: qemu-kvm 4.2.0-34

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

alsa-2021:1064

Vulnerability from osv_almalinux

CVE-2020-10756 (GCVE-0-2020-10756)

CVE-2021-20295 (GCVE-0-2021-20295)

Tags

Sightings

Nomenclature