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    CVE-2016-2857

    The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

    Published:Feb 17, 2016
    Last Modified:Apr 12, 2025
    EPS:Apr 8, 2016
    EPSS Score:0.00058
    CVSS Score:8.4

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b
    http://rhn.redhat.com/errata/RHSA-2016-2670.html
    http://rhn.redhat.com/errata/RHSA-2016-2671.html
    http://rhn.redhat.com/errata/RHSA-2016-2704.html
    http://rhn.redhat.com/errata/RHSA-2016-2705.html
    http://rhn.redhat.com/errata/RHSA-2016-2706.html
    http://rhn.redhat.com/errata/RHSA-2017-0083.html
    http://rhn.redhat.com/errata/RHSA-2017-0309.html
    http://rhn.redhat.com/errata/RHSA-2017-0334.html
    http://rhn.redhat.com/errata/RHSA-2017-0344.html
    http://rhn.redhat.com/errata/RHSA-2017-0350.html
    http://www.openwall.com/lists/oss-security/2016/03/03/9
    http://www.openwall.com/lists/oss-security/2016/03/07/3
    http://www.securityfocus.com/bid/84130
    http://www.ubuntu.com/usn/USN-2974-1
    https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
    http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b
    http://rhn.redhat.com/errata/RHSA-2016-2670.html
    http://rhn.redhat.com/errata/RHSA-2016-2671.html
    http://rhn.redhat.com/errata/RHSA-2016-2704.html
    http://rhn.redhat.com/errata/RHSA-2016-2705.html
    http://rhn.redhat.com/errata/RHSA-2016-2706.html
    http://rhn.redhat.com/errata/RHSA-2017-0083.html
    http://rhn.redhat.com/errata/RHSA-2017-0309.html
    http://rhn.redhat.com/errata/RHSA-2017-0334.html
    http://rhn.redhat.com/errata/RHSA-2017-0344.html
    http://rhn.redhat.com/errata/RHSA-2017-0350.html
    http://www.openwall.com/lists/oss-security/2016/03/03/9
    http://www.openwall.com/lists/oss-security/2016/03/07/3
    http://www.securityfocus.com/bid/84130
    http://www.ubuntu.com/usn/USN-2974-1
    https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High