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PRIOn knowledge basePRION:CVE-2021-28951HistoryMar 20, 2021 - 8:15 p.m.
Code injection
2021-03-2020:15:00
PRIOn knowledge base
www.prio-n.com
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An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
References
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3ebba796fa251d042be42b929a2d916ee5c34a49
lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
security.netapp.com/advisory/ntap-20210430-0003/
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