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    CVE-2019-11190

    The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.

    Published:Apr 3, 2019
    Last Modified:Nov 21, 2024
    EPS:Apr 11, 2019
    EPSS Score:0.00011
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://www.openwall.com/lists/oss-security/2019/04/03/4https://www.openwall.com/lists/oss-security/2019/04/03/4/1https://www.openwall.com/lists/oss-security/2019/04/03/4https://www.openwall.com/lists/oss-security/2019/04/03/4/1

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
    http://www.openwall.com/lists/oss-security/2019/04/15/1
    http://www.securityfocus.com/bid/107890
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff
    https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
    https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
    https://usn.ubuntu.com/4008-1/
    https://usn.ubuntu.com/4008-2/
    https://usn.ubuntu.com/4008-3/
    https://www.openwall.com/lists/oss-security/2019/04/03/4
    https://www.openwall.com/lists/oss-security/2019/04/03/4/1
    http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
    http://www.openwall.com/lists/oss-security/2019/04/15/1
    http://www.securityfocus.com/bid/107890
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d
    https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff
    https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
    https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
    https://usn.ubuntu.com/4008-1/
    https://usn.ubuntu.com/4008-2/
    https://usn.ubuntu.com/4008-3/
    https://www.openwall.com/lists/oss-security/2019/04/03/4
    https://www.openwall.com/lists/oss-security/2019/04/03/4/1

    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