CVE-2023-21400

Description

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.

References

https://www.debian.org/security/2023/dsa-5480

https://source.android.com/security/bulletin/pixel/2023-07-01

https://security.netapp.com/advisory/ntap-20240119-0012/

https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

http://www.openwall.com/lists/oss-security/2023/07/25/7

http://www.openwall.com/lists/oss-security/2023/07/19/7

http://www.openwall.com/lists/oss-security/2023/07/14/2

http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3