Use After Free in Linux Kernel
CVE-2019-19769
In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (70.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.000
Affected products
- Linux Kernel
- Fedoraproject Fedora — versions 30, 31
Weakness classification (CWE)
References
- bugzilla.kernel.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
- security.netapp.com/advisory/ntap-20200103-0001/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4368-1/ (vendor-advisory)
- usn.ubuntu.com/4369-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2019-19769?
- CVE-2019-19769 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.7/10. Published 2019-12-12.
- How severe is CVE-2019-19769?
- Medium severity. CVSS v3 base score is 6.7 out of 10.