CVE-2020-8432
Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.06% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-415, CWE-787
- Affected
- denx/u-boot · opensuse/leap
- Source
- cve@mitre.org
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.htmlMailing List, Third Party Advisory
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.htmlMailing List, Third Party Advisory
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.