Double Free in Denx U-Boot

CVE-2019-13105

Das U-Boot versions 2019.07-rc1 through 2019.07-rc4 can double-free a cached block of data when listing files in a crafted ext4 filesystem.

Vulnerability class: Double Free

EPSS: 0.013 (66.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Denx U-boot — versions 2019.07
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

dbrumley/automotive-downloader

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-13105?: CVE-2019-13105 is a high-severity vulnerability in Denx U-Boot, classified under Double Free. CVSS score: 7.8/10. Published 2019-08-06.
How severe is CVE-2019-13105?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-13105 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.