Patchfirst
CVE-2024-0582 Public exploit High · 7.8 EPSS 12.8%

Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap

Red Hat · Red Hat Enterprise Linux 6

Official description · CVE.org

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.

Breakdown
65.4 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 13 months after disclosure. Public exploit code (PoC-in-GitHub) appeared 2 months after disclosure.

  1. Disclosedday 0
  2. Public exploit codePoC-in-GitHub+2 mo
  3. First seen exploitedVulnCheck KEV evidence+13 mo

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 1 community threat pulse (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

5 links, grouped by NVD tag
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