CVE-2023-3268

kernel: out-of-bounds access in relay_file_read

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

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.

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 allows a local attacker to crash the system or leak kernel internal information.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-06-15 CVE Reserved
2023-06-16 CVE Published
2023-06-17 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (10)

URL	Tag	Source
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2	Mailing List
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html	Mailing List
https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T
https://security.netapp.com/advisory/ntap-20230824-0006	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1	2023-11-07

URL	Date	SRC
https://www.debian.org/security/2023/dsa-5448	2023-11-07
https://www.debian.org/security/2023/dsa-5480	2023-11-07
https://access.redhat.com/security/cve/CVE-2023-3268	2024-03-13
https://bugzilla.redhat.com/show_bug.cgi?id=2215502	2024-03-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.4 Search vendor "Linux" for product "Linux Kernel" and version " < 6.4"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0"		-		Affected