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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2940-1 | linux security update |
Debian DLA |
DLA-2941-1 | linux-4.19 security update |
Debian DSA |
DSA-5096-1 | linux security update |
EUVD |
EUVD-2021-34060 | 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. |
Ubuntu USN |
USN-5265-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5294-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5294-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5297-1 | Linux kernel (GKE) vulnerabilities |
Ubuntu USN |
USN-5298-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5500-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5505-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5513-1 | Linux kernel (AWS) vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 14 Jul 2025 13:45:00 +0000
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|---|---|---|
| Metrics |
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:16:04.245Z
Reserved: 2022-01-10T00:00:00
Link: CVE-2021-4202
No data.
Status : Modified
Published: 2022-03-25T19:15:09.770
Modified: 2024-11-21T06:37:08.290
Link: CVE-2021-4202
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN