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CVE-2026-53203· NVD / CVE Program· CNA Linux

accel/ivpu: Add buffer overflow check in MS get_info_ioctl

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add buffer overflow check in MS get_info_ioctl Add validation that the info size returned from the metric stream info query is not exceeded when checked against the allocated buffer size. If the firmware returns a size larger than the buffer, reject the operation with -EOVERFLOW instead of proceeding with an incorrect buffer copy.

HighCVSS 7.1 · v3.1—No exploit Fix available

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Published
Jun 25, 2026
Updated
Aug 5, 2026
EPSS
0.1% · 3th percentile
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Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CNA vs NVD score

NVD
—
CNA · Linux
7.1
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel6.11 and later · before 6.12.94
  • linux linux kernel6.13 and later · before 6.18.36
  • linux linux kernel6.19 and later · before 7.0.13
  • linux linux kernel7.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 6.11affected
    • cdfad4db7756563db7d458216d9e3c2651dddc7d and later · before d3c12ed33e8923f3090909a1738f3e59292996a6affected · git
    • cdfad4db7756563db7d458216d9e3c2651dddc7d and later · before fa598556ecef412edcb391f144b7642e18fdfd45affected · git
    • cdfad4db7756563db7d458216d9e3c2651dddc7d and later · before 4e5047cc94bea1cc7b670b7f503358e9af0542dfaffected · git
    • cdfad4db7756563db7d458216d9e3c2651dddc7d and later · before fb176425837693f50c5c9fc8db6fbb04af22bd0aaffected · git
    • before 6.11not affected · semver
    • 6.12.94 and later · up to and including 6.12.*not affected · semver
    • 6.18.36 and later · up to and including 6.18.*not affected · semver
    • 7.0.13 and later · up to and including 7.0.*not affected · semver
    • 7.1 and laternot affected · original_commit_for_fix

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:9kernelbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64kbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debugbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-develbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-devel-matchedbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-modulesbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-modules-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-debug-modules-extrabefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-develbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-devel-matchedbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-modulesbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-modules-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-64k-modules-extrabefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-abi-stablelistsbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-cross-headersbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debugbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debug-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debug-develbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debug-devel-matchedbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debug-modulesbefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8
AlmaLinux:9kernel-debug-modules-corebefore 5.14.0-687.52.1.el9_85.14.0-687.52.1.el9_8

+96

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  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
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Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux4e5047cc94bea1cc7b670b7f503358e9af0542dfVendor (CNA)
Linux Linuxd3c12ed33e8923f3090909a1738f3e59292996a6Vendor (CNA)
Linux Linuxfa598556ecef412edcb391f144b7642e18fdfd45Vendor (CNA)
Linux Linuxfb176425837693f50c5c9fc8db6fbb04af22bd0aVendor (CNA)
almalinux:kernel5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-core5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-core5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-devel-matched5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-core5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-debug-modules-extra5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-devel5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
almalinux:kernel-64k-devel-matched5.14.0-687.52.1.el9_8 · AlmaLinux:9Package registry (OSV)
debian:linux6.12.94-1 · Debian:13Package registry (OSV)
red hat:kernel-64k-debug-debuginfo0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-64k-debug-devel0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-64k-debug-devel-matched0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-64k-debuginfo0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-64k-devel0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-64k-devel-matched0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debug-debuginfo0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debug-devel0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debug-devel-matched0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debuginfo0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debuginfo-common-aarch640:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
red hat:kernel-debuginfo-common-ppc64le0:6.12.0-211.60.1.el10_2 · Red Hat:enterprise_linux:10.2Package registry (OSV)
rocky linux:kernel0:6.12.0-211.60.1.el10_2 · Rocky Linux:10Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

All records