CVE-2019-13648
MEDIUMLinux Kernel < 5.2.1 - Denial of Service via sigreturn() System Call
Title source: llmDescription
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.
References (17)
Core 17
Core References
Patch, Third Party Advisory x_refsource_misc
https://patchwork.ozlabs.org/patch/1133904/
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2019/07/30/1
Patch x_refsource_confirm
https://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190806-0001/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4495
Mailing List mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/13
Mailing List mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/18
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4497
Mailing List mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/26
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
Exploit, Third Party Advisory x_refsource_misc
http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4114-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4115-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4116-1/
Scores
CVSS v3
5.5
EPSS
0.0059
EPSS Percentile
44.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-399
Status
published
Products (1)
linux/linux_kernel
< 5.2.1
Published
Jul 19, 2019
Tracked Since
Feb 18, 2026