CVE-2026-32848
mediumpriority · track · 0EPSS 0.001 · 1 %ileDEEUEPSS · scored 2026-10-24
NetBSD prior to commit ec8451e contains a race condition vulnerability in cryptodev_op() within the opencrypto subsystem that allows local attackers to trigger a double-free condition by concurrently issuing CIOCCRYPT operations on the same session identifier on SMP systems. Attackers can exploit mutable per-operation state embedded in the csession struct to corrupt kernel heap memory.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–5.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1575NetBSD Foundation NetBSD OS: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-05-18csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in NetBSD Foundation NetBSD OS ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-32848cnnvd
- https://www.netbsd.org/Patchcnnvd
- https://github.com/NetBSD/src/commit/ec8451efc1565516aba9e7047e1a1a1ce7953a2fenisa_euvd
- https://nasm.re/posts/uaf_netbsd_crypto/enisa_euvd
- https://www.vulncheck.com/advisories/netbsd-cryptodev-race-condition-double-free-via-cryptodev-openisa_euvd
- https://github.com/NetBSD/src/commit/ec8451efc1565516aba9e7047e1a1a1ce7953a2fnvd
- https://nasm.re/posts/uaf_netbsd_crypto/nvd
- https://www.vulncheck.com/advisories/netbsd-cryptodev-race-condition-double-free-via-cryptodev-opnvd
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