rhsa-2022_4896
Vulnerability from csaf_redhat
Published
2022-06-03 13:51
Modified
2024-11-06 01:00
Summary
Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update [ovirt-4.5.0]
Notes
Topic
An update for imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Security Fix(es):
* kernel: use-after-free in RDMA listen() (CVE-2021-4028)
* kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)
* kernel: heap out of bounds write in nf_dup_netdev.c (CVE-2022-25636)
* openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778)
* zlib: A flaw found in zlib when compressing (not decompressing) certain inputs (CVE-2018-25032)
* gzip: arbitrary-file-write vulnerability (CVE-2022-1271)
* rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)
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.
Bug Fixes:
* elfutils package has been update within RHV-H Channel to match the same version released in RHEL (BZ#2038081)
* Rebase package(s) to version 1.2.24
For highlights, important fixes, or notable enhancements: see bugs in "Depend On". (BZ#2057338)
* Rebase package(s) to version: 4.5.0
Highlights, important fixes, or notable enhancements: (BZ#2057342)
* Rebase package(s) to version anaconda-33.16.6.6-1.el8
For highlights and important bug fixes: include UI change for blocking installation if root password is not set. (BZ#1899821)
* Red hat Virtualization Host has been rebased on Red Hat Enterprise Linux 8.6 (BZ#1997074)
* Previously, concurrent executions of LV refresh (lvchange) failed. This hindered simultaneous starts of virtual machines that have thin-provisioned disks based on the same disk on a block storage domain.
In this release, concurrent execution of LV refresh has been fixed in LVM2. (BZ#2020497)
* Red Hat Virtualization Host has been rebased on latest Ceph 4.3 (BZ#2090138)
* In previous releases systemtap package could have been installed on top of RHV-H from RHV-H channel. With 4.4 SP1 systemtap package installation is not supported anymore (BZ#2052963)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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{
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"text": "A flaw was found in OpenSSL. It is possible to trigger an infinite loop by crafting a certificate that has invalid elliptic curve parameters. Since certificate parsing happens before verification of the certificate signature, any process that parses an externally supplied certificate may be subject to a denial of service attack.",
"title": "Vulnerability description"
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{
"category": "summary",
"text": "openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "While Red Hat initially stated not to be directly affected by this flaw, after further investigation we found that the versions of OpenSSL as shipped in Red Hat Enterprise Linux 6, 7, and 8 are vulnerable to a denial of service attack through malicious Elliptic Curve parameters. During processing of the parameters OpenSSL will call BN_mod_sqrt() with invalid arguments, causing the process to enter an infinite loop. The invalid EC parameters can be provided to OpenSSL through X.509 certificates (used in TLS connections), through public and private keys, through certificate signing requests and other places where applications process Elliptic Curve parameters. The flaw has been rated as having a security impact of Important. A future update will address this issue in Red Hat Enterprise Linux 6, 7 and 8.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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"text": "An arbitrary file write vulnerability was found in GNU gzip\u0027s zgrep utility. When zgrep is applied on the attacker\u0027s chosen file name (for example, a crafted file name), this can overwrite an attacker\u0027s content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: heap out of bounds write in nf_dup_netdev.c",
"title": "Vulnerability summary"
},
{
"category": "other",
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"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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{
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}
],
"title": "kernel: heap out of bounds write in nf_dup_netdev.c"
}
]
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.