CVE-2023-2598

Summary

A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.

Affected Software

Weaknesses

• CWE-416: CWE-416

ADP Enrichment

CVE Program Container

Additional References

• https://www.openwall.com/lists/oss-security/2023/05/08/3
• https://security.netapp.com/advisory/ntap-20230703-0006/
• http://www.openwall.com/lists/oss-security/2024/04/24/3

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://www.openwall.com/lists/oss-security/2023/05/08/3
• https://security.netapp.com/advisory/ntap-20230703-0006/
• http://www.openwall.com/lists/oss-security/2024/04/24/3

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