CVE-2026-62431
xen: The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, th...
CVE-2026-62431 is fixed in xen on 1 platform, first by SUSE-SU-2026:3409-1, released July 29, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
30th percentile
The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, that can be set to zero to cause a #DE fault.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.17.7-0+deb12u1 | DEBIAN-CVE-2026-62431 | Aug 3, 2026 |
| xen · Debian 13.5 (trixie) | 4.20.3+127-gc42374a105-0+deb13u1 | DEBIAN-CVE-2026-62431 | Aug 3, 2026 |
| xen · Debian 14 | 4.20.3+127-gc42374a105-1 | DEBIAN-CVE-2026-62431 | Aug 3, 2026 |
| xen · sles 15.6 | 4.18.5_20-150600.3.53.3 | SUSE-SU-2026:3409-1 | Jul 29, 2026 |
| xen · sles 15.7 | 4.20.4_04-150700.3.46.1 | SUSE-SU-2026:4090-1 | Sep 8, 2026 |
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