CVE-2021-4202

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.

References

https://security.netapp.com/advisory/ntap-20220513-0002/

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102

https://bugzilla.redhat.com/show_bug.cgi?id=2036682

http://www.openwall.com/lists/oss-security/2022/06/07/2

http://www.openwall.com/lists/oss-security/2022/06/04/2

http://www.openwall.com/lists/oss-security/2022/06/01/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3