CVE-2021-27504 is a high-severity integer overflow vulnerability in the malloc function of FreeRTOS, specifically affecting Texas Instruments and Amazon devices. An attacker with local access could exploit this flaw by providing extremely large values to malloc, leading to a small buffer allocation and potential code execution. While the CVSS score is 7.8 (High), indicating significant impact on confidentiality, integrity, and availability, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
10.4.1CPE matchmatch criteria | cpe:2.3:o:amazon:freertos:10.4.1:*:*:*:*:*:*:* | ||
< 4.40.00CPE matchmatch criteria | cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:* | ||
< 4.40.00CPE matchmatch criteria | cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* | ||
< 4.10.03CPE matchmatch criteria | cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.