Buffer overflow in Linux Kernel
CVE-2019-14895
A heap-based buffer overflow was discovered in the Linux kernel, all versions 3.x.x and 4.x.x before 4.18.0, in Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.078 (94.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.078 · newest: 0.078 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 30, 31
- openSUSE Leap — versions 15.1
- Red Hat Kernel — versions all kernel versions 3.x.x and 4.x.x before 4.18.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2019/11/22/2 (Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4228-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4227-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4226-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4225-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4228-2/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14895?
- CVE-2019-14895 is a critical-severity vulnerability in Linux Kernel, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-11-29.
- How severe is CVE-2019-14895?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-14895 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.