CVE-2021-4202 — Race Condition in Kernel
CWE-362 — Race ConditionCWE-416 — Use After FreeCWE-821 — Incorrect Synchronization22 documents7 sources
Severity
7.0HIGHNVD
OSV7.8OSV4.7
EPSS
0.1%
top 76.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 25
Latest updateJul 13
Description
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9
Affected Packages11 packages
Patches
🔴Vulnerability Details
10GHSA
▶
📋Vendor Advisories
11Microsoft▶
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data ↗2022-03-08