CVE-2024-0582

Summary

A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected Software

Weaknesses

• CWE-416: Use After Free

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CVE Program Container

Additional References

• https://access.redhat.com/security/cve/CVE-2024-0582
• https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
• https://bugzilla.redhat.com/show_bug.cgi?id=2254050
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
• http://www.openwall.com/lists/oss-security/2024/04/24/3

CISA ADP Vulnrichment

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

References

• https://access.redhat.com/security/cve/CVE-2024-0582
• https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
• https://bugzilla.redhat.com/show_bug.cgi?id=2254050
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d

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