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    CVE-2019-13648

    In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.

    Published:Jul 19, 2019
    Last Modified:Nov 21, 2024
    EPS:Jul 19, 2019
    EPSS Score:0.00089
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
    http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    http://www.openwall.com/lists/oss-security/2019/07/30/1
    https://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
    https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
    https://patchwork.ozlabs.org/patch/1133904/
    https://seclists.org/bugtraq/2019/Aug/13
    https://seclists.org/bugtraq/2019/Aug/18
    https://seclists.org/bugtraq/2019/Aug/26
    https://security.netapp.com/advisory/ntap-20190806-0001/
    https://usn.ubuntu.com/4114-1/
    https://usn.ubuntu.com/4115-1/
    https://usn.ubuntu.com/4116-1/
    https://www.debian.org/security/2019/dsa-4495
    https://www.debian.org/security/2019/dsa-4497
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
    http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
    http://www.openwall.com/lists/oss-security/2019/07/30/1
    https://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
    https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
    https://patchwork.ozlabs.org/patch/1133904/
    https://seclists.org/bugtraq/2019/Aug/13
    https://seclists.org/bugtraq/2019/Aug/18
    https://seclists.org/bugtraq/2019/Aug/26
    https://security.netapp.com/advisory/ntap-20190806-0001/
    https://usn.ubuntu.com/4114-1/
    https://usn.ubuntu.com/4115-1/
    https://usn.ubuntu.com/4116-1/
    https://www.debian.org/security/2019/dsa-4495
    https://www.debian.org/security/2019/dsa-4497

    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