HOMEVULNERABILITIESCVE-2026-32848
MEDIUM

CVE-2026-32848

CWE-362Published: May 18, 2026· Updated: May 18, 2026

4.7
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-32848 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (3)

→
https://github.com/NetBSD/src/commit/ec8451efc1565516aba9e7047e1a1a1ce7953a2f
→
https://nasm.re/posts/uaf_netbsd_crypto/
→
https://www.vulncheck.com/advisories/netbsd-cryptodev-race-condition-double-free-via-cryptodev-op

Quick Facts

CVE IDCVE-2026-32848
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-362
CISA KEVNo
EPSS (30d)0.01%
PublishedMay 18, 2026

Related CVEs (CWE-362)

CVE-2026-5902
9.8
CVE-2025-13036
9.2
CVE-2025-10263
9.1
CVE-2025-32991
9.0
CVE-2026-20677
9.0
CVE-2026-44693
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-32848 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-32848·NVD