Out-of-bounds Read in Linux Kernel
CVE-2023-3268
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- N/a Kernel — versions Kernel version prior to 6.4-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com
- secalert@redhat.com (Mailing List, Release Notes)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (Patch)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3268?
- CVE-2023-3268 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-06-16.
- How severe is CVE-2023-3268?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2023-3268 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.