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High 7.1Published Jun 16, 2023

CVE-2023-3268An 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.

Updated under an hour ago ()

Does this affect you?

It affects Linux kernel and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE)
CWE-125
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Modified
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 14, 2026

Affected products

Affected products
Linux kernel
linux:kernel (from the name)
from 2.6.22 before 4.19.283; from 4.20 before 5.4.243; from 5.5 before 5.10.180; from 5.11 before 5.15.111; from 5.16 before 6.1.28; from 6.2 before 6.2.15; from 6.3 before 6.3.2
CNA record
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)
before V1.1
CISA ADP
linux linux_kernel
linux:linux_kernel
from 2.6.22 before 4.19.283; from 4.20 before 5.4.243; from 5.5 before 5.10.180; from 5.11 before 5.15.111; from 5.16 before 6.1.28; from 6.2 before 6.2.15; from 6.3 before 6.3.2
NVD
debian debian_linux
debian:debian_linux
10.0; 11.0; 12.0
NVD

References

  • vendor-advisory
  • mailing-list, release-notes
  • vendor-advisory, third-party-advisory
  • mailing-list, third-party-advisory
  • patch
  • vendor-advisory, third-party-advisory
  • third-party-advisory
  • mailing-list, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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