CVE-2021-4202
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.4%
exploitation probability
0.4%top 70% of all CVEs
observed exploitation
nono source reports it
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 products
n/a · kernelReferences
https://bugzilla.redhat.com/show_bug.cgi?id=2036682https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15https://security.netapp.com/advisory/ntap-20220513-0002/http://www.openwall.com/lists/oss-security/2022/06/01/2http://www.openwall.com/lists/oss-security/2022/06/04/2http://www.openwall.com/lists/oss-security/2022/06/07/2