CVE-2019-14814: canonical ubuntu_linux Heap-based Buffer Overflow
Vulnerability summary
CVE-2019-14814 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.8% of scored vulnerabilities. 3 public exploits are recorded.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 21Timeline
- 20-09-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
There is heap-based buffer overflow in Linux kernel, all versions up to, excluding 5.3, in the marvell wifi chip driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly execute arbitrary code.
CVSS metrics
8 scores · 4 sources · 4 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.87%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.87% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
3 foundExploit Reference (openwall.com)
Maturity: unknown
Exploit Reference (bugzilla.redhat.com)
Maturity: unknown
Exploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu26 products
- linuxAll versions (No fix recorded) | < 4.4.0-166.195 | < 4.15.0-66.75
- linux-aws< 4.4.0-1056.60 | < 4.4.0-1096.107 | < 4.15.0-1052.54
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1052.54~16.04.1
- linux-azure< 4.15.0-1061.66~14.04.1 | < 4.15.0-1061.66 | < 5.0.0-1023.24~18.04.1
Redhat9 products
- enterprise_linuxEOL5.0 | 6.0 | 7.0 | 8.0
- enterprise_linux_eus8.1 | 8.2 | 8.4
- enterprise_linux_for_real_time8
- enterprise_linux_for_real_time_for_nfv8
- enterprise_linux_for_real_time_for_nfv_tus8.2 | 8.4
Debian2 products
- linux< 5.2.17-1
- debian_linuxEOL8.0
Linux2 products
- kernelall versions up to, excluding 5.3
- linux_kernel≥ 3.7, < 3.16.74 | ≥ 3.17, < 4.4.194 | ≥ 4.5, < 4.9.194 | ≥ 4.10, < 4.14.146 | ≥ 4.15, < 4.19.75 | ≥ 4.20, < 5.2.17
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.04
Opensuse1 product
- leapEOL15.0 | 15.1
7 vendors · 62 products
References
34 links- www.openwall.com/lists/oss-security/2019/08/28/1Mailing ListX Refsource MLISTExploitPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14814X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2019/08/28/1X Refsource MISCExploitMailing ListPatchThird Party AdvisoryREPORT
- github.com/torvalds/linux/commit/7caac62ed598a196d6ddf8d9c121e12e082cac3aX Refsource MISCPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 34 references
- packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory