command within a transaction due to an assert() triggering.
In case xenstored was built with NDEBUG #defined nothing bad will
happen, as assert() is doing nothing in this case. Note that the
default is not to define NDEBUG for xenstored builds even in release
builds of Xen.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
There is no known mitigation available.
Tue, 19 May 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-364 CWE-399 |
Tue, 19 May 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-617 | |
| Metrics |
cvssV3_1
|
Tue, 19 May 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Xen
Xen xen |
|
| Vendors & Products |
Xen
Xen xen |
Tue, 19 May 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Tue, 19 May 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Any guest can cause xenstored to crash by issuing a XS_RESET_WATCHES command within a transaction due to an assert() triggering. In case xenstored was built with NDEBUG #defined nothing bad will happen, as assert() is doing nothing in this case. Note that the default is not to define NDEBUG for xenstored builds even in release builds of Xen. | |
| Title | Xenstored DoS via XS_RESET_WATCHES command | |
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: XEN
Published:
Updated: 2026-05-19T14:42:45.464Z
Reserved: 2026-01-14T13:07:36.961Z
Link: CVE-2026-23557
Updated: 2026-05-19T13:06:41.611Z
Status : Undergoing Analysis
Published: 2026-05-19T14:16:38.817
Modified: 2026-05-19T16:16:19.487
Link: CVE-2026-23557
No data.
OpenCVE Enrichment
Updated: 2026-05-19T15:45:08Z