CVE-2019-14816: canonical ubuntu_linux Heap-based Buffer Overflow
Modified
AliasesRHSA-2020:1266UBUNTU-CVE-2019-14816DEBIAN-CVE-2019-14816
Published 20-09-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-14816 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 60% of scored vulnerabilities. 3 public exploits are recorded.
Priority
Routine
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference
Advisory lineage
Upstream 0 · Downstream 35 · Related 19DLA-1930-1DLA-2114-1MGASA-2019-0287MGASA-2019-0288MGASA-2019-0333OPENSUSE-SU-2019:2173-1OPENSUSE-SU-2019:2181-1RHSA-2020:0174RHSA-2020:0204RHSA-2020:0328RHSA-2020:0339RHSA-2020:0374RHSA-2020:0375RHSA-2020:0653RHSA-2020:0661RHSA-2020:0664RHSA-2020:1347RHSA-2020:1353SUSE-SU-2019:2412-1SUSE-SU-2019:2414-1SUSE-SU-2019:2424-1SUSE-SU-2019:2648-1SUSE-SU-2019:2651-1SUSE-SU-2019:2658-1SUSE-SU-2019:2738-1SUSE-SU-2019:2756-1SUSE-SU-2019:2949-1SUSE-SU-2019:2950-1SUSE-SU-2019:2984-1SUSE-SU-2020:2491-1USN-4157-2USN-4162-1USN-4162-2USN-4163-1USN-4163-2
Timeline
- 20-09-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
There is heap-based buffer overflow in 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
9 scores · 5 sources · 4 versionsHigh 7.3Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- 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
Medium 5.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSources4 sources · 5.5–8.0
- NVDNIST5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated8.0HighCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.91% on 04-10-2026
04-10-202603-11-2026
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
Version check
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat39 products
- enterprise_linuxEOL5.0 | 6.0 | 6.4 | 7.0 | 7.6 | 8.0
- enterprise_linux_compute_node_eus7.6
- enterprise_linux_eus7.6 | 7.7 | 8.1 | 8.2 | 8.4
- enterprise_linux_for_power_big_endian_eus7.6_ppc64
- enterprise_linux_for_real_time7 | 8
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
Debian2 products
- linux< 5.2.17-1
- debian_linuxEOL8.0
Linux2 products
- kernelall versions up to, excluding 5.3
- linux_kernel≥ 3.6, < 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
Fedoraproject1 product
- fedoraEOL29 | 30
Opensuse1 product
- leapEOL15.0 | 15.1
8 vendors · 92 products
References
47 links- www.openwall.com/lists/oss-security/2019/08/28/1Mailing ListX Refsource MLISTExploitPatchThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORAIssue TrackingThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORAIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14816X 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/7caac62ed598a196d6ddf8d9c121e12e082cac3X 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 47 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
- git.kernel.org/pub/…ARTICLE