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Fencer Vulns
medium 5.5

CVE-2023-3359 json

An issue was discovered in the Linux kernel brcm_nvram_parse in drivers/nvmem/brcm_nvram.c.

published 2023-06-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44026

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

An issue was discovered in the Linux kernel brcm_nvram_parse in drivers/nvmem/brcm_nvram.c. Lacks for the check of the return value of kzalloc() can cause the NULL Pointer Dereference.

Patch / fix

  • linux linux_kernel 6.2
  • linux Debian 14, Debian 13, Debian 12 6.1.11-1

debian advisories DEBIAN-CVE-2023-3359

  • linux-oem-6.1 Ubuntu 22.04 LTS 6.1.0-1008.8
  • linux-aws-5.19 Ubuntu 22.04 LTS 5.19.0-1025.26~22.04.1
  • linux-gcp-5.19 Ubuntu 22.04 LTS 5.19.0-1024.26~22.04.1
  • linux-hwe-5.19 Ubuntu 22.04 LTS 5.19.0-42.43~22.04.1
  • linux-riscv-5.19 Ubuntu 22.04 LTS 5.19.0-1018.19~22.04.1
  • linux-starfive-5.19 Ubuntu 22.04 LTS 5.19.0-1017.19~22.04.1
  • linux-allwinner-5.19 Ubuntu 22.04 LTS 5.19.0-1012.12~22.04.1
  • linux-lowlatency-hwe-5.19 Ubuntu 22.04 LTS 5.19.0-1024.25~22.04.1

ubuntu advisories UBUNTU-CVE-2023-3359

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • hyperv-daemons CBL-Mariner 2.0 5.15.118.1-1
  • kernel CBL-Mariner 2.0 5.15.118.1-2

azure linux advisories AZL-27332AZL-27347

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-3359 updated cvss 5.5

kernel: brcm_nvram_parse in drivers/nvmem/brcm_nvram.c lacks check of the return value of kzalloc() and will cause the NULL Pointer Dereference

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-core, kernel-tools, python3-perf, +17 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +82 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • n/a Kernel

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.