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CVE-2019-13648

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Date: July 19, 2019

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.

Language: C

Severity Score

Related Resources (23)

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
https://seclists.org/bugtraq/2019/Aug/13
https://nvd.nist.gov/vuln/detail/CVE-2019-13648
https://security.netapp.com/advisory/ntap-20190806-0001/
https://seclists.org/bugtraq/2019/Aug/26
https://patchwork.ozlabs.org/patch/1133904/
https://www.debian.org/security/2019/dsa-4495
https://seclists.org/bugtraq/2019/Aug/18
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
http://www.openwall.com/lists/oss-security/2019/07/30/1
https://security-tracker.debian.org/tracker/CVE-2019-13648
https://www.debian.org/security/2019/dsa-4497
http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13648
https://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
https://access.redhat.com/security/cve/CVE-2019-13648
https://usn.ubuntu.com/4116-1/
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
https://usn.ubuntu.com/4114-1/
https://usn.ubuntu.com/4115-1/
https://www.mend.io/vulnerability-database/CVE-2019-13648

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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