An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.
Product
redhat openstack platform vulnerabilities
39 published CVES affecting redhat openstack platform, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 39
- Critical
- 1
- High
- 16
- Medium
- 20
- Low
- 2
- Unscored
- 0
- CISA KEV
- 1
Latest redhat openstack platform CVEs
Newest publication first · page 2 of 2
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LowCVSS 3.2 EPSS 0.39%
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MediumCVSS 5.3 EPSS 0.90%
This is a concurrency issue that can result in the wrong caller principal being returned from the session context of an EJB that is configured with a RunAs principal. In particular, the org.jboss.as.ejb3.component.EJBComponent class has an incomingRunAsIdentity field. This field...
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MediumCVSS 6.5 EPSS 0.37%
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 flaw allows a guest to consume CPU cycles on the host, re...
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MediumCVSS 6.1 EPSS 26.8%
A vulnerability was found in openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.
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MediumCVSS 6.5 EPSS 0.22%
An improper authorization flaw was discovered in openstack-selinux's applied policy where it does not prevent a non-root user in a container from privilege escalation. A non-root attacker in one or more Red Hat OpenStack (RHOSP) containers could send messages to the dbus. With ac...
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MediumCVSS 6.5 EPSS 0.31%
The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null.
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HighCVSS 7.1 EPSS 1.0%
A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of ser...
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CVE-2021-20270 Infinite Loop in Pygments
PublishedHighCVSS 7.5 EPSS 2.8%An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.
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HighCVSS 7.1 EPSS 0.30%
User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation. An Open Stack Manila user can request access to a share to an arbitrary cephx user, including existing users. The access key is retrieved vi...
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MediumCVSS 5.9 EPSS 1.7%
It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.
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LowCVSS 3.2 EPSS 0.47%
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.
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HighCVSS 7.1 EPSS 0.23%
A flaw was found in the Ansible Engine, in ansible-engine 2.8.x before 2.8.15 and ansible-engine 2.9.x before 2.9.13, when installing packages using the dnf module. GPG signatures are ignored during installation even when disable_gpg_check is set to False, which is the default be...
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CriticalCVSS 9.9 EPSS 0.89%
A flaw was found in the nova_libvirt container provided by the Red Hat OpenStack Platform 16, where it does not have SELinux enabled. This flaw causes sVirt, an important isolation mechanism, to be disabled for all running virtual machines.
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HighCVSS 8.1 EPSS 1.7%
When libvirtd is configured by OSP director (tripleo-heat-templates) to use the TLS transport it defaults to the same certificate authority as all non-libvirtd services. As no additional authentication is configured this allows these services to connect to libvirtd (which is equi...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.