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    CVE-2016-4805

    Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.

    Published:Mar 16, 2016
    Last Modified:Apr 12, 2025
    EPS:May 23, 2016
    EPSS Score:0.00087
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Novell
    Product
    Opensuse Leap
    Vendor
    Novell
    Product
    Suse Linux Enterprise Desktop
    Vendor
    Novell
    Product
    Suse Linux Enterprise Live Patching
    Vendor
    Novell
    Product
    Suse Linux Enterprise Module For Public Cloud
    Vendor
    Novell
    Product
    Suse Linux Enterprise Real Time Extension
    Vendor
    Novell
    Product
    Suse Linux Enterprise Server
    Vendor
    Novell
    Product
    Suse Linux Enterprise Software Development Kit
    Vendor
    Novell
    Product
    Suse Linux Enterprise Workstation Extension
    Vendor
    Oracle
    Product
    Linux
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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…
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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
    http://www.debian.org/security/2016/dsa-3607
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2
    http://www.openwall.com/lists/oss-security/2016/05/15/2
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
    http://www.securityfocus.com/bid/90605
    http://www.securitytracker.com/id/1036763
    http://www.ubuntu.com/usn/USN-3021-1
    http://www.ubuntu.com/usn/USN-3021-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1335803
    https://github.com/torvalds/linux/commit/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
    http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
    http://www.debian.org/security/2016/dsa-3607
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2
    http://www.openwall.com/lists/oss-security/2016/05/15/2
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
    http://www.securityfocus.com/bid/90605
    http://www.securitytracker.com/id/1036763
    http://www.ubuntu.com/usn/USN-3021-1
    http://www.ubuntu.com/usn/USN-3021-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1335803
    https://github.com/torvalds/linux/commit/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89

    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