CVE-2023-21400

Summary

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.

Affected Software

Weaknesses

• Elevation of privilege

ADP Enrichment

CVE Program Container

Additional References

• https://source.android.com/security/bulletin/pixel/2023-07-01
• 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://www.debian.org/security/2023/dsa-5480
• http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://security.netapp.com/advisory/ntap-20240119-0012/

References

• https://source.android.com/security/bulletin/pixel/2023-07-01
• 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://www.debian.org/security/2023/dsa-5480
• http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://security.netapp.com/advisory/ntap-20240119-0012/

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