7.8
HIGH
CVSS 3.1
CVE-2026-64249
fpga: region: fix use-after-free in child_regions_with_firmware()
Overview
Description
In the Linux kernel, the following vulnerability has been resolved: fpga: region: fix use-after-free in child_regions_with_firmware() Move of_node_put(child_region) after the error print to avoid accessing freed memory when pr_err() references child_region. [ Yilun: Fix the Fixes tag ]
Details
INFO
Published Date :
July 24, 2026, 4:16 p.m.
Last Modified :
Aug. 17, 2026, 5:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
Apply the Linux kernel patch to fix a use-after-free vulnerability in the FPGA region driver.
- Update the Linux kernel to the patched version.
- Verify the patch is correctly applied.
- Reboot the system if necessary.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-64249.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-64249 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-64249
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-64249 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-64249 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e918942bcc5355ad5b44ba557935dffc0727b0eb', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '866184fc7ae42a0070f1141ae8c5dca7c24a59e2', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '070b0ce947b18fa3dec0729695147f7e19599649', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e79afcb0a66d2b3c33e510eade902537e656fc00', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '5e098e40e8bac43ed58645c10d5fad781966efe4', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3', 'versionType': 'git'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.10', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.260', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.211', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.177', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.144', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.95', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.38', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.3', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e918942bcc5355ad5b44ba557935dffc0727b0eb', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '866184fc7ae42a0070f1141ae8c5dca7c24a59e2', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '070b0ce947b18fa3dec0729695147f7e19599649', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e79afcb0a66d2b3c33e510eade902537e656fc00', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '5e098e40e8bac43ed58645c10d5fad781966efe4', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3', 'versionType': 'git'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.10', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.260', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.211', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.177', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.144', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.95', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.38', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.3', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'affected'}] -
Initial Analysis by [email protected]
Aug. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.177 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.144 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.95 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.211 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.38 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.1.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 5.10.260 Added Reference Type kernel.org: https://git.kernel.org/stable/c/070b0ce947b18fa3dec0729695147f7e19599649 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5e098e40e8bac43ed58645c10d5fad781966efe4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/866184fc7ae42a0070f1141ae8c5dca7c24a59e2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e79afcb0a66d2b3c33e510eade902537e656fc00 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e918942bcc5355ad5b44ba557935dffc0727b0eb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 24, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e918942bcc5355ad5b44ba557935dffc0727b0eb', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '866184fc7ae42a0070f1141ae8c5dca7c24a59e2', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '070b0ce947b18fa3dec0729695147f7e19599649', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': 'e79afcb0a66d2b3c33e510eade902537e656fc00', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '5e098e40e8bac43ed58645c10d5fad781966efe4', 'versionType': 'git'}, {'status': 'affected', 'version': '0fa20cdfcc1f68847cdfc47824476301eedc8297', 'lessThan': '54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3', 'versionType': 'git'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.10'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.10', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.260', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.211', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.177', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.144', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.95', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.38', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.3', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/fpga/of-fpga-region.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: fpga: region: fix use-after-free in child_regions_with_firmware() Move of_node_put(child_region) after the error print to avoid accessing freed memory when pr_err() references child_region. [ Yilun: Fix the Fixes tag ] Added Reference https://git.kernel.org/stable/c/070b0ce947b18fa3dec0729695147f7e19599649 Added Reference https://git.kernel.org/stable/c/369496d885b4cf6e8647cf4dc5cf3ac68fdf37a1 Added Reference https://git.kernel.org/stable/c/54f3c5643ec523a04b6ec0e7c19eb10f5ebebdd3 Added Reference https://git.kernel.org/stable/c/5e098e40e8bac43ed58645c10d5fad781966efe4 Added Reference https://git.kernel.org/stable/c/866184fc7ae42a0070f1141ae8c5dca7c24a59e2 Added Reference https://git.kernel.org/stable/c/e79afcb0a66d2b3c33e510eade902537e656fc00 Added Reference https://git.kernel.org/stable/c/e918942bcc5355ad5b44ba557935dffc0727b0eb Added Reference https://git.kernel.org/stable/c/fbaf509ad7cb2f7dafe73ca20c956104cfcc9d68
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.