CVE-2021-3319 — NULL Pointer Dereference in Zephyr

CWE-476 — NULL Pointer DereferenceCWE-588 — Attempt to Access Child of a Non-structure Pointer2 documents2 sources
Severity
9.8CRITICALNVD
CNA6.5
EPSS
0.4%
top 37.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedOct 5

Description

DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyr> v2.4.0 — unspecified
▶NVDzephyrproject/zephyr2.4.0 — 2.5.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
CVEList
DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses↗2021-10-05
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CVE-2021-3319 — NULL Pointer Dereference in Zephyr | cvebase