VulnSocial

CVE-2026-58094(freebsd / freebsd)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

The FIOSSHMLPGCNF ioctl(2) operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been configured without holding the rangelock. Two concurrent callers could both observe an unconfigured object and set conflicting page sizes, leaving the object in an inconsistent state. An unprivileged local user can exploit this race to escalate privileges.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-367

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • freebsd

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Affected systems

Vendors
freebsd
Products
freebsd

3 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-19: 110-19
Referenced assets1 URL
Full discourse1 post
  • SHELLCODE@sh3ll_c0d3

    💻 FREEBSD SHARED MEMORY TOCTOU! CVE-2026-58094 in FreeBSD kernel shared memory enables a TOCTOU race condition during VM fault mapping for local root elevation. Read full Blog: https://sh3llc0d3.com/blog/freebsd-kernel-shared-memory-vulnerability-dissecting-toctou-race-conditions-in-vm-fault-mapping-cve-2026-58094/ #Hacktober #CyberAwareness #sh3llc0d3 #shellcode #FreeBSD #Kernel

    0001181
    147 followersView on X
CPE platform detail22 entries

22 of 22 entries

PartVendorProductVersionTarget SWTarget HW
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd14.4--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.0--
OSfreebsdfreebsd15.1--
OSfreebsdfreebsd15.1--

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