CVE-2026-28529
Local privilege escalation via UAF in /dev/crypto on cryptodev-linux <= 1.14.
Is CVE-2026-28529 being exploited?
Not confirmed. CVE-2026-28529 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.17% probability of exploitation in the next 30 days.
How severe is CVE-2026-28529?
CVE-2026-28529 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-28529?
Yes. A fix has been recorded for CVE-2026-28529. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-28529 affect?
CVE-2026-28529 affects cryptodev-linux <= 1.14, Linux kernel /dev/crypto driver. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-28529?
Apply kernel/driver updates when a patch is released
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local attacker with /dev/crypto access can escalate to root by manipulating page refcounts.
Patch when possible
- affected<= 1.14
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.