Buffer overflow in Linux Kernel
CVE-2019-14896
A heap-based buffer overflow vulnerability was found in the Linux kernel, version kernel-2.6.32, in Marvell WiFi chip driver. A remote attacker could cause a denial of service (system crash) or, possibly execute arbitrary code, when the lbs_ibss_join_existing function is called after a STA connects to an AP.
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: 0.087 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.087 · newest: 0.087 · 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
- Red Hat Kernel — versions kernel-2.6.32
- Red Hat Enterprise Linux — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (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)
- security.netapp.com/advisory/ntap-20200103-0001/ (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)
- usn.ubuntu.com/4227-2/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14896?
- CVE-2019-14896 is a critical-severity vulnerability in Linux Kernel, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-11-27.
- How severe is CVE-2019-14896?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-14896 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.