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CVE-2023-26083

INDEX BUILT · 2026-09-20

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Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver all…

CVE-2023-260833 of 4 sources documented this
59

rank 59 = 40 + 8 + 0 + 5 + 6

rank@v1 · this cycle

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.01218 · CISA KEV listed  ·  without this subject the record ranks 19

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 3.3, from NVD  ·  without this subject the record ranks 51

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 59

How much of the world it touches

NVD CPE configurations

4 products in the CPE ranges  ·  without this subject the record ranks 54

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 53

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$14,600over the next 30 days, if this record is yours
Movement-$153,000on 2025-11-21, the last material move, 9 months before this reading
Basisassumeda published average, not your estate

$14,600 = $4.99M incident cost x 0.24048551839932833 exposure x 0.01218 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.01218EPSSKEV · LISTED
Severity3.3 LOWreceipt
Harmpartial impactreceipt
Exploitationin the wild · KEVreceipt
Defenseunaffected versions publishedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2025-11-21, 290 days at 0.01, as of 2026-09-07. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

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Reachneeds local access · low privileges required · no user interaction · low attack complexityreceipt
ImpactPartial confidentiality lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-401 Missing Release of Memory after Effective Lifetimereceipt
Published consequencesCWE-401: Availability: DoS: Crash, Exit, or Restart, DoS: Instability, DoS: Resource Consumption (CPU), DoS: Resource Consumption (Memory); Other: Reduce Performance[email protected]
Ransomware campaign useUnknown to CISAreceipt

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchbifrost gpu kernel driver r43p0; valhall gpu kernel driver r43p0; 5th gen gpu architecture kernel driver r43p0receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.
CISA remediation statusoverdue since 2023-04-28receipt
CISA required actionApply updates per vendor instructions.receipt
Published to CISA KEV1 dayderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Exploited in the wild · CISA KEV listed, 2023-04-07.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published · 1 public repository2026-05-28receipt
  • RUNG 3Exploited in the wild · CISA KEV listed2023-04-07receipt
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD3.3 LOWreceipt
Exploit probability0.01218 · top 33% of all CVEsreceipt
Blast breadth4 products across 1 vendorderived
Assigned bymitrereceipt
Recorded changes59 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesArm bifrost gpu kernel driver; Arm midgard gpu kernel driver; Arm valhall gpu kernel driver; and 1 morereceipt
Published rangesarm 5th gen gpu architecture kernel driver >= r41p0 < r43p0; arm bifrost gpu kernel driver >= r0p0 < r43p0; arm midgard gpu kernel driver >= r6p0 <= r32p0; arm valhall gpu kernel driver >= r19p0 < r43p0receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver all versions from r0p0 - r42p0, Valhall GPU Kernel Driver all versions from r19p0 - r42p0, and Avalon GPU Kernel Driver all versions from r41p0 - r42p0 allows a non-privileged user to make valid GPU processing operations that expose sensitive kernel metadata. receipt

NVD's analysis a second authority

severity
3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
weakness
CWE-401
affected versions
arm 5th gen gpu architecture kernel driver >= r41p0 < r43p0; arm bifrost gpu kernel driver >= r0p0 < r43p0; arm midgard gpu kernel driver >= r6p0 <= r32p0; and 1 more, listed in full below
also scored by
3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

check it yourself developer.arm.com cybersecurity-help.cz cybersecurity-help.cz receipt

Dated events

2023-04-07Added to CISA KEV2023-04-12EPSS moved 0.00 to 0.062023-04-28CISA remediation due2025-11-18EPSS moved 0.03 to 0.162025-11-21EPSS moved 0.16 to 0.03

Movement the material steps

7 Apr 20230.00070
17 Mar 20250.05915 · scoring model v2025.03.14
19 Mar 20250.16539 · crossed 0.10
20 Mar 20250.07618 · crossed 0.10
27 Mar 20250.16539 · crossed 0.10
28 Mar 20250.07618 · crossed 0.10
29 Mar 20250.16539 · crossed 0.10
30 Mar 20250.07618 · crossed 0.10
18 Nov 20250.15638 · crossed 0.10
21 Nov 20250.02892 · crossed 0.10
15 Jun 20260.01417 · scoring model v2026.06.15
7 Sep 20260.01218

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 45 observations
7 Apr 20230.00070
8 Apr 20230.00096
12 Apr 20230.06051
22 Apr 20230.06150
2 Jun 20240.03767
28 Jun 20240.06150
27 Oct 20240.06398
17 Mar 20250.05915
19 Mar 20250.16539
20 Mar 20250.07618
27 Mar 20250.16539
28 Mar 20250.07618
29 Mar 20250.16539
30 Mar 20250.07618
15 Apr 20250.0036
22 Apr 20250.00281
15 Jun 20250.00466
26 Jun 20250.0039
16 Jul 20250.00401
19 Jul 20250.00627
20 Jul 20250.00469
22 Jul 20250.00456
30 Jul 20250.0039
25 Aug 20250.00355
16 Sep 20250.00365
25 Sep 20250.00355
22 Oct 20250.00655
29 Oct 20250.00589
1 Nov 20250.01073
4 Nov 20250.02892
18 Nov 20250.15638
21 Nov 20250.02892
15 Dec 20250.03877
30 Dec 20250.05173
16 Jan 20260.07147
23 Jan 20260.07328
5 Feb 20260.07147
30 Mar 20260.05226
25 May 20260.05362
7 Jun 20260.05226
15 Jun 20260.01417
11 Jul 20260.01429
3 Aug 20260.0133
5 Aug 20260.01255
7 Sep 20260.01218

45 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.01218Published2023-04-06CISA KEV2023-04-07Public PoC2026-05-28Index as of2026-09-07

Listed by CISA one day after it published, exploit probability more than doubled between 2025-03-17 and 2025-03-19 (0.05915 → 0.16539) and the record had been public for 3 years, 5 months when this index was last written.

Published 2023-04-06 receipt · CISA KEV 2023-04-07 receipt · Public PoC 2026-05-28 receipt · Index as of 2026-09-07 derived

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