Vulnerability Details CVE-2023-21400
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.7%
CVSS Severity
CVSS v3 Score 6.7
References
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- http://www.openwall.com/lists/oss-security/2023/07/14/2
- http://www.openwall.com/lists/oss-security/2023/07/19/2
- http://www.openwall.com/lists/oss-security/2023/07/19/7
- http://www.openwall.com/lists/oss-security/2023/07/25/7
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20240119-0012/
- https://source.android.com/security/bulletin/pixel/2023-07-01
- https://www.debian.org/security/2023/dsa-5480
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- http://www.openwall.com/lists/oss-security/2023/07/14/2
- http://www.openwall.com/lists/oss-security/2023/07/19/2
- http://www.openwall.com/lists/oss-security/2023/07/19/7
- http://www.openwall.com/lists/oss-security/2023/07/25/7
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20240119-0012/
- https://source.android.com/security/bulletin/pixel/2023-07-01
- https://www.debian.org/security/2023/dsa-5480
Products affected by CVE-2023-21400
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:11.0
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cpe:2.3:o:google:android:-