cvrf2cusa/cvrf/2024/cvrf-openEuler-SA-2024-1743.xml
Jia Chao 0b34274085 git mv
Signed-off-by: Jia Chao <jiac13@chinaunicom.cn>
2024-07-25 09:57:37 +08:00

168 lines
18 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<cvrfdoc xmlns="http://www.icasi.org/CVRF/schema/cvrf/1.1" xmlns:cvrf="http://www.icasi.org/CVRF/schema/cvrf/1.1">
<DocumentTitle xml:lang="en">An update for libvirt is now available for openEuler-24.03-LTS</DocumentTitle>
<DocumentType>Security Advisory</DocumentType>
<DocumentPublisher Type="Vendor">
<ContactDetails>openeuler-security@openeuler.org</ContactDetails>
<IssuingAuthority>openEuler security committee</IssuingAuthority>
</DocumentPublisher>
<DocumentTracking>
<Identification>
<ID>openEuler-SA-2024-1743</ID>
</Identification>
<Status>Final</Status>
<Version>1.0</Version>
<RevisionHistory>
<Revision>
<Number>1.0</Number>
<Date>2024-06-21</Date>
<Description>Initial</Description>
</Revision>
</RevisionHistory>
<InitialReleaseDate>2024-06-21</InitialReleaseDate>
<CurrentReleaseDate>2024-06-21</CurrentReleaseDate>
<Generator>
<Engine>openEuler SA Tool V1.0</Engine>
<Date>2024-06-21</Date>
</Generator>
</DocumentTracking>
<DocumentNotes>
<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">libvirt security update</Note>
<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for libvirt is now available for openEuler-24.03-LTS.</Note>
<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes). The main package includes the libvirtd server exporting the virtualization support.
Security Fix(es):
A race condition leading to a stack use-after-free flaw was found in libvirt. Due to a bad assumption in the virNetClientIOEventLoop() method, the `data` pointer to a stack-allocated virNetClientIOEventData structure ended up being used in the virNetClientIOEventFD callback while the data pointer&apos;s stack frame was concurrently being &quot;freed&quot; when returning from virNetClientIOEventLoop(). The &apos;virtproxyd&apos; daemon can be used to trigger requests. If libvirt is configured with fine-grained access control, this issue, in theory, allows a user to escape their otherwise limited access. This flaw allows a local, unprivileged user to access virtproxyd without authenticating. Remote users would need to authenticate before they could access it.(CVE-2024-4418)</Note>
<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for libvirt is now available for openEuler-24.03-LTS.
openEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.</Note>
<Note Title="Severity" Type="General" Ordinal="5" xml:lang="en">Medium</Note>
<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">libvirt</Note>
</DocumentNotes>
<DocumentReferences>
<Reference Type="Self">
<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1743</URL>
</Reference>
<Reference Type="openEuler CVE">
<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2024-4418</URL>
</Reference>
<Reference Type="Other">
<URL>https://nvd.nist.gov/vuln/detail/CVE-2024-4418</URL>
</Reference>
</DocumentReferences>
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<Vulnerability Ordinal="1" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
<Notes>
<Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A race condition leading to a stack use-after-free flaw was found in libvirt. Due to a bad assumption in the virNetClientIOEventLoop() method, the `data` pointer to a stack-allocated virNetClientIOEventData structure ended up being used in the virNetClientIOEventFD callback while the data pointer s stack frame was concurrently being freed when returning from virNetClientIOEventLoop(). The virtproxyd daemon can be used to trigger requests. If libvirt is configured with fine-grained access control, this issue, in theory, allows a user to escape their otherwise limited access. This flaw allows a local, unprivileged user to access virtproxyd without authenticating. Remote users would need to authenticate before they could access it.</Note>
</Notes>
<ReleaseDate>2024-06-21</ReleaseDate>
<CVE>CVE-2024-4418</CVE>
<ProductStatuses>
<Status Type="Fixed">
<ProductID>openEuler-24.03-LTS</ProductID>
</Status>
</ProductStatuses>
<Threats>
<Threat Type="Impact">
<Description>Medium</Description>
</Threat>
</Threats>
<CVSSScoreSets>
<ScoreSet>
<BaseScore>6.2</BaseScore>
<Vector>AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H</Vector>
</ScoreSet>
</CVSSScoreSets>
<Remediations>
<Remediation Type="Vendor Fix">
<Description>libvirt security update</Description>
<DATE>2024-06-21</DATE>
<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1743</URL>
</Remediation>
</Remediations>
</Vulnerability>
</cvrfdoc>