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Vulnerability Intelligence

CVE-2019-13648 | Mondoo Vulnerability Intelligence

CVE-2019-13648

MEDIUM5.5

In the Linux kernel through 5

Published Jul 19, 2019

Modified 1 years ago

No fix available

Details

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

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html WEBhttp://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html WEBhttp://www.openwall.com/lists/oss-security/2019/07/30/1 WEBhttps://git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe WEBhttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.html ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRK2MW223KQZ76DKEF2BZFN6TCXLZLDS/WEBhttps://patchwork.ozlabs.org/patch/1133904/WEBhttps://seclists.org/bugtraq/2019/Aug/13 WEBhttps://seclists.org/bugtraq/2019/Aug/18 WEBhttps://seclists.org/bugtraq/2019/Aug/26 WEBhttps://security.netapp.com/advisory/ntap-20190806-0001/ADVISORYhttps://usn.ubuntu.com/4114-1/ADVISORYhttps://usn.ubuntu.com/4115-1/ADVISORYhttps://usn.ubuntu.com/4116-1/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2019-13648 ADVISORYhttps://www.debian.org/security/2019/dsa-4495 ADVISORYhttps://www.debian.org/security/2019/dsa-4497

CVSS Analysis

CVSS v3.0

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedJul 19, 2019

ModifiedAug 4, 2024