CVE-2023-3268

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Summary

CVECVE-2023-3268
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-16 19:15:14 UTC
Updated2026-09-01 18:03:23 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

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

EPSS: 0.004690000 probability, percentile 0.384650000 (date 2026-08-24)

Problem Types: CWE-125 | CWE-125 CWE-125

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
3.1ADPDECLARED7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Kernel affected 2.6.22 4.19.283 semver Not specified
CNA Linux Kernel affected 4.20 5.4.243 semver Not specified
CNA Linux Kernel affected 5.5 5.10.180 semver Not specified
CNA Linux Kernel affected 5.11 5.15.111 semver Not specified
CNA Linux Kernel affected 5.16 6.1.28 semver Not specified
CNA Linux Kernel affected 6.2 6.2.15 semver Not specified
CNA Linux Kernel affected 6.3 6.3.2 semver Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5448-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[SECURITY] [DLA 3623-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-5480-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2 af854a3a-2127-422b-91ae-364da2661108 cdn.kernel.org Mailing List, Release Notes
[PATCH] relayfs: fix out-of-bounds access in relay_file_read af854a3a-2127-422b-91ae-364da2661108 lore.kernel.org Vendor Advisory
[SECURITY] [DLA 3508-1] linux security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
CVE-2023-3268 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[PATCH] relayfs: fix out-of-bounds access in relay_file_read MITRE lore.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 161066 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-6583)
  • 161147 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-7077)
  • 199615 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6252-1)
  • 199617 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6254-1)
  • 199652 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6283-1)
  • 199670 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6300-1)
  • 199784 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-6397-1)
  • 242399 Red Hat Update for kernel security (RHSA-2023:6583)
  • 242434 Red Hat Update for kernel-rt security (RHSA-2023:6901)
  • 242451 Red Hat Update for kernel security (RHSA-2023:7077)
  • 242855 Red Hat Update for kernel (RHSA-2024:0412)
  • 243050 Red Hat Update for kernel (RHSA-2024:1250)
  • 243062 Red Hat Update for kernel-rt (RHSA-2024:1306)
  • 355531 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2023-034
  • 355532 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-021
  • 355536 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2023-047
  • 378701 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0030)
  • 378710 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0079)
  • 379043 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0136)
  • 6000136 Debian Security Update for linux (DLA 3508-1)
  • 6000207 Debian Security Update for linux (DSA 5448-1)
  • 6000212 Debian Security Update for linux (DSA 5480-1)
  • 6000265 Debian Security Update for linux-5.10 (DLA 3623-1)
  • 6140267 AWS Bottlerocket Security Update for kernel (GHSA-rgrv-2p2x-qfxw)
  • 673261 EulerOS Security Update for kernel (EulerOS-SA-2023-2614)
  • 673272 EulerOS Security Update for kernel (EulerOS-SA-2023-2584)
  • 673354 EulerOS Security Update for kernel (EulerOS-SA-2023-2843)
  • 673372 EulerOS Security Update for kernel (EulerOS-SA-2023-2787)
  • 673496 EulerOS Security Update for kernel (EulerOS-SA-2023-2860)
  • 673498 EulerOS Security Update for kernel (EulerOS-SA-2023-3132)
  • 673604 EulerOS Security Update for kernel (EulerOS-SA-2023-2811)
  • 754160 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2808-1)
  • 754167 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2822-1)
  • 754168 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2830-1)
  • 754170 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2834-1)
  • 754183 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2859-1)
  • 907115 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (27222-1)
  • 907173 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (27248-1)
  • 941453 AlmaLinux Security Update for kernel (ALSA-2023:7077)

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