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Vulnerability ID

CVE-2026-23454

Use-after-free in net/mana

ProductLinux kernel
CVSS 3.1High7.0
EPSS0.13%
Has public PoCNo
AI Exploitability

No working AI exploit yet

Working AI PoC
Not yet
Cheapest run
$7.79
Fastest run
—
Model MatrixCapability BreakdownVulnerability DetailsTimelineCommunity
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Model MatrixCapability BreakdownVulnerability DetailsTimelineCommunity

Overview

View on NVD

net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardown A potential race condition exists in mana_hwc_destroy_channel() where hwc->caller_ctx is freed before the HWC's Completion Queue (CQ) and Event Queue (EQ) are destroyed. This allows an in-flight CQ interrupt handler to dereference freed memory, leading to a use-after-free or NULL pointer dereference in mana_hwc_handle_resp().

CWE
CWE-416
Weakness
Use After Free
Component
net/mana
Impact
Not stated
Published
2026-04-03
Fixed version
7.0

Risk factors

In-the-WildNot observed
CISA KEVNot listed
Public ExploitNone known
Ransomware useNone known

Severity

CVSS 3.1Only version published

7.0High

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability
Attack VectorLocal
ComplexityHigh
Privileges RequiredLow
User InteractionNone
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

EPSS

Chance of exploitation in the next 30 days

0.13%

SSVC

Stakeholder-specific vulnerability categorization

Not scored. CISA publishes an SSVC decision for a subset of CVEs.