CVE-2025-38352
high
KEV
CVSS v3
—
CVSS v4 NEW
—
VIR risk
9.5
Description
Linux kernel contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that has a high impact on confidentiality, integrity, and availability.
CISA KEV
- Vendor
- Linux
- Product
- Kernel
- Due date
- 2025-09-25
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
{Vendor advisory: cisa-kev — This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff ; https://source.android.com/docs/security/bulletin/2025-09-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-38352}
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | kernel-64k-debug-devel-5.14.0-570.42.2.el9_6.aarch64.rpm |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.35-1 |
| sid | Fixed | 6.12.35-1 |
| forky | Fixed | 6.12.35-1 |
| bullseye | Fixed | 5.10.244-1 |
| bookworm | Fixed | 6.1.147-1 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
Rocky Linux Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
References
- https://access.redhat.com/errata/RHSA-2025:15661
- https://access.redhat.com/errata/RHSA-2025:15798
- https://errata.rockylinux.org/RLSA-2025:15471
- https://www.suse.com/security/cve/CVE-2025-38352.html
- https://errata.rockylinux.org/RLSA-2025:15661
- https://security-tracker.debian.org/tracker/CVE-2025-38352
- This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff ; https://source.android.com/docs/security/bulletin/2025-09-01 ; https://nvd.nist.gov/vuln/detail/CVE-2025-38352
- https://access.redhat.com/errata/RHSA-2025:15471
- https://bugzilla.redhat.com/2373540
- https://bugzilla.redhat.com/2382581
- https://errata.almalinux.org/8/ALSA-2025-15471.html
- https://access.redhat.com/errata/RHSA-2025:15472
- https://errata.almalinux.org/8/ALSA-2025-15472.html
- https://bugzilla.redhat.com/2360223
- https://bugzilla.redhat.com/2379246
- https://bugzilla.redhat.com/2383519
- https://errata.almalinux.org/9/ALSA-2025-15661.html
- https://access.redhat.com/errata/RHSA-2025:15921
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.