CVEvulnerability

CVE-2021-47186

5.5 MEDIUM Published 2024-04-10 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-04-10
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58

Affected configurations

• linux linux kernel (>= 5.5 < 5.10.82) • linux linux kernel (>= 5.11 < 5.15.5) • linux linux kernel 5.16

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References