CVE-2015-8844

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    CVE-2015-8844

    Published: 27 Apr 2016Last Modified: 10 Apr 2026

    Summary:

    Details: The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.

    References: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55, http://rhn.redhat.com/errata/RHSA-2016-2574.html, http://rhn.redhat.com/errata/RHSA-2016-2584.html, https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55, https://bugzilla.redhat.com/show_bug.cgi?id=1326540, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5, http://www.openwall.com/lists/oss-security/2016/04/13/1, http://www.securitytracker.com/id/1035594

    Affected packages

    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
    CVE-2015-8844 | CVE-DB