In the Linux kernel, the following vulnerability has been resolved:
RISC-V: KVM: fix stack overrun when loading vlenb
The userspace load can put up to 2048 bits into an xlen bit stack
buffer. We want only xlen bits, so check the size beforehand.
RISC-V: KVM: fix stack overrun when loading vlenb
The userspace load can put up to 2048 bits into an xlen bit stack
buffer. We want only xlen bits, so check the size beforehand.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6008-1 | linux security update |
EUVD |
EUVD-2025-29599 | In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: fix stack overrun when loading vlenb The userspace load can put up to 2048 bits into an xlen bit stack buffer. We want only xlen bits, so check the size beforehand. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 02 Dec 2025 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | NVD-CWE-noinfo | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:* |
Wed, 17 Sep 2025 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Vendors & Products |
Linux
Linux linux Kernel |
Wed, 17 Sep 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 16 Sep 2025 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: fix stack overrun when loading vlenb The userspace load can put up to 2048 bits into an xlen bit stack buffer. We want only xlen bits, so check the size beforehand. | |
| Title | RISC-V: KVM: fix stack overrun when loading vlenb | |
| References |
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-09-29T05:59:59.910Z
Reserved: 2025-04-16T07:20:57.138Z
Link: CVE-2025-39815
No data.
Status : Analyzed
Published: 2025-09-16T13:15:56.240
Modified: 2025-12-02T19:03:33.370
Link: CVE-2025-39815
OpenCVE Enrichment
Updated: 2025-09-17T10:04:16Z
Debian DSA
EUVD