CVE-2019-15219: canonical ubuntu_linux NULL Pointer Dereference
CVSS: 4.9v2.0MediumModified
AliasesUBUNTU-CVE-2019-15219DEBIAN-CVE-2019-15219
Published 19-08-2019Last modified 08-10-2026
Vulnerability summary
CVE-2019-15219 is a medium (CVSS 4.9) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
4.9/10
010
Medium · v2.0 (NVD)EPSS score
0.71%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 16 · Related 14Timeline
- 19-08-2019PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the drivers/usb/misc/sisusbvga/sisusb.c driver.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.6Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.71% on 19-09-2026
19-09-202619-10-2026
EPSS score0.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (syzkaller.appspot.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu28 products
- linuxAll versions (No fix recorded) | < 4.4.0-157.185 | < 4.15.0-60.67
- linux-aws< 4.4.0-1054.58 | < 4.4.0-1090.101 | < 4.15.0-1047.49
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1047.49~16.04.1
- linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1022.23~18.04.1
Netapp5 products
Debian2 products
- linux< 5.2.6-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.04
Linux1 product
- linux_kernel< 5.1.8
Opensuse1 product
- leapEOL15.0 | 15.1
6 vendors · 38 products
References
17 links- syzkaller.appspot.com/bug?id=aaf6794922521df1c35c81e32cb2d0bb6a351e7bX Refsource MISCExploitThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2019/09/msg00014.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 17 references
- lists.debian.org/debian-lts-announce/2019/09/msg00015.htmlMailing ListX Refsource MLISTThird 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