4.9

CVE-2019-15291: linux linux_kernel NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2019-15291DEBIAN-CVE-2019-15291
Published 20-08-2019Last modified 02-11-2026

Vulnerability summary

CVE-2019-15291 is a medium (CVSS 4.9) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 52% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 4.6, physical access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 22 · Related 20
DLA-2068-1DLA-2114-1OPENSUSE-SU-2019:2307-1OPENSUSE-SU-2019:2308-1SUSE-SU-2019:14218-1SUSE-SU-2019:2648-1

Timeline

  1. 20-08-2019
    PublishedVulnerability first disclosed.
  2. 02-11-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.67%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.67% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (syzkaller.appspot.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu34 products
  • linuxAll versions (No fix recorded) | < 4.4.0-173.203 | < 4.15.0-88.88
  • linux-aws< 4.4.0-1061.65 | < 4.4.0-1101.112 | < 4.15.0-1060.62
  • linux-aws-5.0< 5.0.0-1024.27~18.04.1
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1060.62~16.04.1
Debian1 product
  • linux< 5.3.15-1
Linux1 product

3 vendors · 36 products

References

26 links
Show all 26 references