CVE-2019-14896: canonical ubuntu_linux Heap-based Buffer Overflow
Vulnerability summary
CVE-2019-14896 is a high (CVSS 10.0) Heap-based Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 8.67% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 25Timeline
- 27-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
7 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
8.67%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 8.67% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu33 products
- linuxAll versions (No fix recorded) | < 4.4.0-171.200 | < 4.15.0-74.84
- linux-aws< 4.4.0-1060.64 | < 4.4.0-1100.111 | < 4.15.0-1057.59
- linux-aws-5.0< 5.0.0-1023.26~18.04.1
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1057.59~16.04.1
Debian2 products
- linux< 5.4.19-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.10
Fedoraproject1 product
- fedoraEOL30 | 31
Linux1 product
- linux_kernel≥ 2.6.32, < 3.16.83 | ≥ 3.17, < 4.4.212 | ≥ 4.5, < 4.9.212 | ≥ 4.10, < 4.14.169 | ≥ 4.15, < 4.19.100 | ≥ 4.20, < 5.4.16
Red hat1 product
- kernelkernel-2.6.32
Redhat1 product
- enterprise_linuxEOL6.0
7 vendors · 40 products
References
28 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14896X Refsource CONFIRMIssue TrackingThird Party Advisory
Show all 28 references
- packetstormsecurity.com/files/155879/Kernel-Live-Patch-Security-Notice-LSN-0061-1.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
- packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory