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    CVE-2017-7184

    The xfrm_replay_verify_len function in net/xfrm/xfrm_user.c in the Linux kernel through 4.10.6 does not validate certain size data after an XFRM_MSG_NEWAE update, which allows local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) by leveraging the CAP_NET_ADMIN capability, as demonstrated during a Pwn2Own competition at CanSecWest 2017 for the Ubuntu 16.10 linux-image-* package 4.8.0.41.52.

    Published:Mar 19, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 19, 2017
    EPSS Score:0.01441
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Extras Rt
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    https://github.com/b1nhack/CVE-2017-7184https://github.com/Grish-Pradhan/CVE-2017-7184https://github.com/rockl/cve-2017-7184https://github.com/rockl/cve-2017-7184-bakhttps://github.com/shakyanayann/CVE-2017-7184

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    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.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df
    http://openwall.com/lists/oss-security/2017/03/29/2
    http://www.eweek.com/security/ubuntu-linux-falls-on-day-1-of-pwn2own-hacking-competition
    http://www.securityfocus.com/bid/97018
    http://www.securitytracker.com/id/1038166
    https://access.redhat.com/errata/RHSA-2017:2918
    https://access.redhat.com/errata/RHSA-2017:2930
    https://access.redhat.com/errata/RHSA-2017:2931
    https://access.redhat.com/errata/RHSA-2019:4159
    https://blog.trendmicro.com/results-pwn2own-2017-day-one/
    https://github.com/torvalds/linux/commit/677e806da4d916052585301785d847c3b3e6186a
    https://github.com/torvalds/linux/commit/f843ee6dd019bcece3e74e76ad9df0155655d0df
    https://source.android.com/security/bulletin/2017-05-01
    https://twitter.com/thezdi/status/842126074435665920
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df
    http://openwall.com/lists/oss-security/2017/03/29/2
    http://www.eweek.com/security/ubuntu-linux-falls-on-day-1-of-pwn2own-hacking-competition
    http://www.securityfocus.com/bid/97018
    http://www.securitytracker.com/id/1038166
    https://access.redhat.com/errata/RHSA-2017:2918
    https://access.redhat.com/errata/RHSA-2017:2930
    https://access.redhat.com/errata/RHSA-2017:2931
    https://access.redhat.com/errata/RHSA-2019:4159
    https://blog.trendmicro.com/results-pwn2own-2017-day-one/
    https://github.com/torvalds/linux/commit/677e806da4d916052585301785d847c3b3e6186a
    https://github.com/torvalds/linux/commit/f843ee6dd019bcece3e74e76ad9df0155655d0df
    https://source.android.com/security/bulletin/2017-05-01
    https://twitter.com/thezdi/status/842126074435665920

    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