RedhatCVELIST:CVE-2021-4202CVE-2021-4202
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.
CNA Affected
[
{
"product": "kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "kernel 5.16 rc2"
}
]
}
]References
www.openwall.com/lists/oss-security/2022/06/01/2
www.openwall.com/lists/oss-security/2022/06/04/2
www.openwall.com/lists/oss-security/2022/06/07/2
bugzilla.redhat.com/show_bug.cgi?id=2036682
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15
security.netapp.com/advisory/ntap-20220513-0002/
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