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Fencer Vulns
medium 4.6

CVE-2019-15291 json

An issue was discovered in the Linux kernel through 5.2.9.

published 2019-08-20 7 y ago modified 2026-11-02 6 d ago also EUVD-2019-6298

cvss
4.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

An issue was discovered in the Linux kernel through 5.2.9. There is a NULL pointer dereference caused by a malicious USB device in the flexcop_usb_probe function in the drivers/media/usb/b2c2/flexcop-usb.c driver.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 5.3.15-1

debian advisories DEBIAN-CVE-2019-15291

  • linux Ubuntu 16.04 LTS 4.4.0-173.203
  • linux Ubuntu 18.04 LTS 4.15.0-88.88
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1101.112
  • linux-aws Ubuntu 18.04 LTS 4.15.0-1060.62
  • linux-gcp Ubuntu 16.04 LTS 4.15.0-1055.59
  • linux-gcp Ubuntu 18.04 LTS 5.0.0-1029.30~18.04.1
  • linux-hwe Ubuntu 16.04 LTS 4.15.0-88.88~16.04.1
  • linux-hwe Ubuntu 18.04 LTS 5.3.0-40.32~18.04.1

ubuntu advisories UBUNTU-CVE-2019-15291

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.14.3
  • kernel-source-rt Real Time Module 15 SP1 4.12.14-14.14.2
  • kernel-syms SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.125.1
  • kernel-source SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 4.4.121-92.125.1
  • kernel-default SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +2 more 4.4.121-92.125.1
  • kgraft-patch-SLE12-SP2_Update_33 SLES for SAP 12 SP2, SLES 12 SP2-LTSS, OpenStack Cloud 7 1-3.5.1

suse advisories SUSE-SU-2019:3295-1SUSE-SU-2019:2984-1SUSE-SU-2019:2949-1SUSE-SU-2019:14218-1SUSE-SU-2019:2950-1SUSE-SU-2019:2879-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.20.1
  • kernel-syms openSUSE Leap 15.0 4.12.14-lp150.12.76.1

opensuse advisories openSUSE-SU-2019:2308-1openSUSE-SU-2019:2307-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-15291 updated cvss 4.6

kernel: Null pointer dereference in the flexcop_usb_probe function in the drivers/media/usb/b2c2/flexcop-usb.c

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 d ago

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • syzkaller.appspot.com https://syzkaller.appspot.com/bug?id=c0203bd72037d07493f4b7562411e4f5f4553a8f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 4.6 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.