CVE-2019-16232: canonical ubuntu_linux NULL Pointer Dereference
Vulnerability summary
CVE-2019-16232 is a medium (CVSS 4.7) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 47.9% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 22 · Related 22Timeline
- 11-09-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
drivers/net/wireless/marvell/libertas/if_sdio.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.1MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.58% 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
1 foundExploit Reference (lkml.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu34 products
- linuxAll versions (No fix recorded) | < 4.4.0-208.240 | < 4.15.0-88.88
- linux-aws< 4.4.0-1090.94 | < 4.4.0-1126.140 | < 4.15.0-1060.62
- linux-aws-5.0< 5.0.0-1025.28
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1060.62~16.04.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.10
Debian1 product
- linuxAll versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL30 | 31
Linux1 product
- linux_kernel5.2.14
Opensuse1 product
- leapEOL15.0 | 15.1
6 vendors · 39 products
References
18 links- lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
