CVE-2021-22636 is an integer overflow vulnerability affecting Texas Instruments TI-RTOS when using the default HeapMem heap configuration. An attacker can trigger this flaw in 'HeapMem_allocUnprotected' by providing extremely large values to malloc, leading to a small buffer being returned and potentially enabling code execution. This vulnerability carries a high CVSS score of 7.8, indicating a local attack vector with low complexity and high impact on confidentiality, integrity, and availability. There is currently no public exploit code available, and the vulnerability shows minimal community discussion or media coverage, suggesting it is not actively exploited in the wild.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:ti:real-time_operating_system:-:*:*:*:*:*:*:* | ||
< 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.