CVE-2023-3268
Medium
Elevated severity or exploit probability.
CVSS base
7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS — probability of exploitation (30 days)
0.5%
40.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-125
Published 2023-06-16 · modified 2026-09-01
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2023-06-16 — Published (NVD)
- 2026-09-01 — Last modified (NVD)
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.
Affected
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
- https://security.netapp.com/advisory/ntap-20230824-0006/
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
- https://security.netapp.com/advisory/ntap-20230824-0006/
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480