Not ratedCVE-2015-5165

    Red Hat OpenStack: security vulnerability (CVE-2015-5165)

    Published Sources: CVE.org

    What is affected, what to do

    The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

    The available sources name no fixed version. Check the vendor guidance in the references below.

    Affected
    • Xen lte *..4.5.0
    • Xen eq 4.5.1..4.5.1
    • Fedora eq 21..21
    • Fedora eq 22..22
    • SUSE Linux Enterprise Debuginfo eq 11..11
    • SUSE Linux Enterprise Server eq 10..10
    • SUSE Linux Enterprise Server eq 11..11
    • Debian Linux eq 7.0..7.0
    • Debian Linux eq 8.0..8.0
    • Red Hat OpenStack eq 5.0..5.0
    • Red Hat OpenStack eq 6.0..6.0
    • Red Hat Virtualization eq 3.0..3.0
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.1..7.1
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.2..7.2
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.3..7.3
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.4..7.4
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.5..7.5
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.6..7.6
    • Red Hat Enterprise Linux Compute Node Extended Update Support (EUS) eq 7.7..7.7
    • Redhat Enterprise Linux Desktop eq 6.0..6.0
    • Red Hat Enterprise Linux Extended Update Support (EUS) eq 6.7..6.7
    • Red Hat Enterprise Linux Eus Compute Node eq 6.7..6.7
    • Red Hat Enterprise Linux For Power Big Endian eq 6.0..6.0
    • Red Hat Enterprise Linux For Power Big Endian eq 7.0..7.0
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 6.7_ppc64..6.7_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.1_ppc64..7.1_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.2_ppc64..7.2_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.3_ppc64..7.3_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.4_ppc64..7.4_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.5_ppc64..7.5_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.6_ppc64..7.6_ppc64
    • Red Hat Enterprise Linux For Power Big Endian Eus eq 7.7_ppc64..7.7_ppc64
    • Red Hat Enterprise Linux For Scientific Computing eq 6.0..6.0
    • Red Hat Enterprise Linux For Scientific Computing eq 7.0..7.0
    • Redhat Enterprise Linux Server eq 6.0..6.0
    • Redhat Enterprise Linux Server eq 7.0..7.0
    • Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 7.3..7.3
    • Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 7.4..7.4
    • Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 7.6..7.6
    • Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 7.7..7.7
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.1..7.1
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.2..7.2
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.3..7.3
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.4..7.4
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.5..7.5
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.6..7.6
    • Redhat Enterprise Linux Server Extended Update Support (EUS) eq 7.7..7.7
    • Red Hat Enterprise Linux Server Eus From Rhui eq 6.7..6.7
    • Red Hat Enterprise Linux Server From Rhui eq 6.0..6.0
    • Red Hat Enterprise Linux Server From Rhui eq 7.0..7.0
    • Red Hat Enterprise Linux Server (TUS) eq 7.3..7.3
    • Red Hat Enterprise Linux Server (TUS) eq 7.6..7.6
    • Red Hat Enterprise Linux Server (TUS) eq 7.7..7.7
    • Red Hat Enterprise Linux Server Update Services For Sap Solutions eq 7.2..7.2
    • Red Hat Enterprise Linux Server Update Services For Sap Solutions eq 7.3..7.3
    • Red Hat Enterprise Linux Server Update Services For Sap Solutions eq 7.4..7.4
    • Red Hat Enterprise Linux Server Update Services For Sap Solutions eq 7.6..7.6
    • Red Hat Enterprise Linux Server Update Services For Sap Solutions eq 7.7..7.7
    • Redhat Enterprise Linux Workstation eq 6.0..6.0
    • Redhat Enterprise Linux Workstation eq 7.0..7.0
    • Arista EOS eq 4.12..4.12
    • Arista EOS eq 4.13..4.13
    • Arista EOS eq 4.14..4.14
    • Arista EOS eq 4.15..4.15
    • Oracle Linux eq 7..7

    Not sure whether and how you are affected? Ask a question about this vulnerability

    Metrics

    —

    Priority

    No value is available for this vulnerability.

    —

    CVSS v3

    No value is available for this vulnerability.

    13.3 %

    EPSS score

    Elevated — model estimates 10-50% exploitation likelihood.

    Source: FIRST EPSS, percentile 96.4

    Show all metrics
    Severity
    Not rated
    Priority (0–325)

    The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?

    Read in glossary
    74.31 Methodology
    Exploit maturity

    An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.

    Read in glossary
    no public PoC known
    EPSS score

    The EPSS score is the absolute model output for an individual vulnerability: the estimated probability of real-world exploitation within the next 30 days, expressed as a value between 0 and 1 (i.e. 0 % to 100 %). A score of 0.42 means „the model estimates a 42 % chance of real-world exploitation within 30 days“.

    Read in glossary
    13.3 %
    Elevated — model estimates 10-50% exploitation likelihood.
    EPSS percentile

    The EPSS percentile is the relative position of a vulnerability within all EPSS-scored CVEs, expressed as a value between 0 and 1. A percentile of 0.90 means „this CVE has a higher EPSS score than 90 % of all other scored CVEs“. Unlike the EPSS score, it is not a probability — but a positioning within a ranking.

    Read in glossary
    96.4
    Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).
    KEV status

    The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.

    Read in glossary
    —
    Published

    Detection rules

    No NEOSEC detection rule is available for this vulnerability yet.

    Classification under NIS2 and CRA

    Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.

    NIS2

    NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.

    Read in glossary
    Handle the vulnerability in regular vulnerability handling under Art. 21(2)(e) NIS2.
    CRA

    The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.

    Read in glossary
    From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
    ISO/IEC 27001

    ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.

    Read in glossary
    Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.

    Description

    The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

    Source: NVD (NIST), cvelistv5

    Affected products

    The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

    Affected products
    Affected versionsFixed in
    redhatopenstack
    • 6.0
    • 5.0
    • —
    • —
    redhatvirtualization
    • 3.0
    • —
    suselinux_enterprise_debuginfo
    • 11
    • —

    Vendors and products

    Affected operating systems

    Affected operating systems
    Linuxdebiandebian_linux7.0
    Linuxdebiandebian_linux8.0
    Linuxredhatenterprise_linux_compute_node_eus7.1
    Linuxredhatenterprise_linux_compute_node_eus7.2
    Linuxredhatenterprise_linux_compute_node_eus7.3
    Linuxredhatenterprise_linux_compute_node_eus7.4
    Linuxredhatenterprise_linux_compute_node_eus7.5
    Linuxredhatenterprise_linux_compute_node_eus7.6
    Linuxredhatenterprise_linux_compute_node_eus7.7
    Linuxredhatenterprise_linux_desktop6.0
    Linuxredhatenterprise_linux_eus6.7
    Linuxredhatenterprise_linux_eus_compute_node6.7
    Linuxredhatenterprise_linux_for_power_big_endian6.0
    Linuxredhatenterprise_linux_for_power_big_endian7.0
    Linuxredhatenterprise_linux_for_power_big_endian_eus6.7_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.1_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.2_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.3_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.4_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.5_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.6_ppc64
    Linuxredhatenterprise_linux_for_power_big_endian_eus7.7_ppc64
    Linuxredhatenterprise_linux_for_scientific_computing6.0
    Linuxredhatenterprise_linux_for_scientific_computing7.0

    References & sources

    • rhn.redhat.comRHSA-2015:1674Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • securitytracker.com1033176Vulnerability database, x_refsource_SECTRACK, Third-party advisory, Vulnerability database
    • lists.opensuse.orgSUSE-SU-2015:1643Vendor advisory, x_refsource_SUSE, Issue tracking, Mailing list, Third-party advisory
    • debian.orgDSA-3348Vendor advisory, x_refsource_DEBIAN, Third-party advisory
    • oracle.comtechnetwork/topics/security/linuxbulletinoct2015-2719645.htmlx_refsource_CONFIRM, Third-party advisory
    • support.citrix.comarticle/CTX201717x_refsource_CONFIRM, Broken link, Third-party advisory
    • rhn.redhat.comRHSA-2015:1683Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • rhn.redhat.comRHSA-2015:1793Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • debian.orgDSA-3349Vendor advisory, x_refsource_DEBIAN, Third-party advisory
    • lists.fedoraproject.orgFEDORA-2015-15944Vendor advisory, x_refsource_FEDORA, Issue tracking, Mailing list, Third-party advisory
    • lists.fedoraproject.orgFEDORA-2015-14361Vendor advisory, x_refsource_FEDORA, Issue tracking, Mailing list, Third-party advisory
    • rhn.redhat.comRHSA-2015:1833Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • lists.fedoraproject.orgFEDORA-2015-15946Vendor advisory, x_refsource_FEDORA, Issue tracking, Mailing list, Third-party advisory
    • lists.opensuse.orgSUSE-SU-2015:1421Vendor advisory, x_refsource_SUSE, Issue tracking, Mailing list, Third-party advisory
    • rhn.redhat.comRHSA-2015:1740Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • rhn.redhat.comRHSA-2015:1739Vendor advisory, x_refsource_REDHAT, Issue tracking, Third-party advisory
    • securityfocus.com76153Vulnerability database, x_refsource_BID, Third-party advisory, Vulnerability database
    • xenbits.xen.orgxsa/advisory-140.htmlx_refsource_CONFIRM, Patch, Vendor advisory
    • arista.comen/support/advisories-notices/security-advisories/1180-security…x_refsource_MISC, Third-party advisory
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