High · CVSS 7.1CVE-2023-3268

CVE Program ContainerCVE-2023-3268

Answer in brief

CVE-2023-3268 records a High severity (CVSS 7.1) vulnerability in CVE Program Container. The current sources do not mark it as known exploited. The current feed maps Linux/kernel (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 16, 2023Updated Sep 1, 2026Source checked Oct 8, 2026First seen by HOL Aug 24, 2026Material review Sep 1, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Not marked as known exploited
Affected software: 5 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/kernel (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:o:debian:debian_linux:10.0:::::::*	Not reported	Not reported
cpe:2.3:o:debian:debian_linux:11.0:::::::*	Not reported	Not reported
cpe:2.3:o:debian:debian_linux:12.0:::::::*	Not reported	Not reported
cpe:2.3:o:linux:linux_kernel::::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/kernelgeneric	>=2.6.22 <4.19.283 \|\| >=4.20 <5.4.243 \|\| >=5.5 <5.10.180 \|\| >=5.11 <5.15.111 \|\| >=5.16 <6.1.28 \|\| >=6.2 <6.2.15 \|\| >=6.3 <6.3.2	4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/kernel.
Review the reported fix. Update Linux/kernel to 4.19.283 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jun 16, 2023
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 24, 2026

Sources and claim methodology

Upstream source description

An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.

Quoted source text, attributed separately from HOL analysis.