CVE-2019-13648
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.3%
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.
Affected configurations
References
lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html
lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
www.openwall.com/lists/oss-security/2019/07/30/1
git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
lists.debian.org/debian-lts-announce/2019/08/msg00017.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/
patchwork.ozlabs.org/patch/1133904/
seclists.org/bugtraq/2019/Aug/13
seclists.org/bugtraq/2019/Aug/18
seclists.org/bugtraq/2019/Aug/26
security.netapp.com/advisory/ntap-20190806-0001/
usn.ubuntu.com/4114-1/
usn.ubuntu.com/4115-1/
usn.ubuntu.com/4116-1/
www.debian.org/security/2019/dsa-4495
www.debian.org/security/2019/dsa-4497
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.3%