CVE Explorer
CVE-2026-62432
The EVTCHNOP_expand_array hypercall checks for whether FIFO event
channels are enabled, but without holding the correct lock. It can race
with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Xen","vendor":"Xen","versions":[{"status":"unknown","version":"consult Xen advisory XSA-505"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/adp/1/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-362","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/adp/1/problemTypes/0/descriptions/0
Source references
3 source assertions{"url":"http://www.openwall.com/lists/oss-security/2026/07/28/21"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/adp/0/references/1
{"url":"http://xenbits.xen.org/xsa/advisory-505.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/adp/0/references/0
{"url":"https://xenbits.xenproject.org/xsa/advisory-505.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:19ea6ffee9b1675d31cb4c83e90fb6733ca36b9c4ec00af1caadcc1a8c0ce83d · sha256:b42d4411ff69ac96… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.