CVE-2021-28951
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.
- Score
- CVSS 3.1 5.5 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2021-03-20
- Last modified
- 2024-08-03
- Weaknesses
- CWE-667
Affected products
- Fedora (Fedoraproject)
- Linux Kernel (Linux)
- A250 Firmware (Netapp)
- Aff 500f Firmware (Netapp)
- Cloud Backup (Netapp)
- Fas 500f Firmware (Netapp)
- Solidfire Baseboard Management Controller Firmware (Netapp)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3ebba796fa251d042be42b929a2d916ee5c34a49
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IU…
- https://security.netapp.com/advisory/ntap-20210430-0003/
