CVEvulnerability
CVE-2021-4202
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-03-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-362, CWE-416
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.
Affected configurations
• linux linux kernel (>= 3.2 < 4.4.294)
• linux linux kernel (>= 4.5 < 4.9.292)
• linux linux kernel (>= 4.10 < 4.14.257)
• linux linux kernel (>= 4.15 < 4.19.219)
• linux linux kernel (>= 4.20 < 5.4.163)
• linux linux kernel (>= 5.5.0 < 5.10.82)
• linux linux kernel (>= 5.11 < 5.15.5)
Related
References
- http://www.openwall.com/lists/oss-security/2022/06/01/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/04/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/07/2 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2036682 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 Exploit, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 Exploit, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 Exploit, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220513-0002/ Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/01/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/04/2 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/06/07/2 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2036682 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 Exploit, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 Exploit, Patch, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 Exploit, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220513-0002/ Third Party Advisory