National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-13648 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


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 v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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@lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
https://patchwork.ozlabs.org/patch/1133904/ Patch Third Party Advisory
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://www.debian.org/security/2019/dsa-4495
https://www.debian.org/security/2019/dsa-4497

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.2.1


Change History

12 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-13648
NVD Published Date:
07/19/2019
NVD Last Modified:
07/30/2019