Vulnerability in Linux Kernel
CVE-2019-13648
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patchwork.ozlabs.org/patch/1133904/ (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/07/30/1 (mailing-list)
- git.kernel.org/torvalds/c/f16d80b75a096c52354c6e0a574993f3b0dfbdfe
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20190806-0001/
- www.debian.org/security/2019/dsa-4495 (vendor-advisory)
- seclists.org/bugtraq/2019/Aug/13 (mailing-list)
- seclists.org/bugtraq/2019/Aug/18 (mailing-list)
- www.debian.org/security/2019/dsa-4497 (vendor-advisory)
- seclists.org/bugtraq/2019/Aug/26 (mailing-list)
Frequently asked questions
- What is CVE-2019-13648?
- CVE-2019-13648 is a medium-severity vulnerability in Linux Kernel, classified under CWE-399. CVSS score: 5.5/10. Published 2019-07-19.
- How severe is CVE-2019-13648?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-13648 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.