Use After Free Affecting torvalds/linux Open this link in a new tab package, versions [,v5.16-rc1)
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
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snyk-id
SNYK-UNMANAGED-TORVALDSLINUX-2933199
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published
21 Jun 2022
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disclosed
21 Jun 2022
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credit
Unknown
Introduced: 21 Jun 2022
New CVE-2021-3640 Open this link in a new tabHow to fix?
Upgrade torvalds/linux
to version v5.16-rc1 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in function sco_sock_sendmsg()
when a user calls ioct UFFDIO_REGISTER
or other way triggers race condition of the call sco_conn_del()
together with the call sco_sock_sendmsg()
with the expected controllable faulting memory page.