CVE-2022-2327

Description

io_uring use work_flags to determine which identity need to grab from the calling process to make sure it is consistent with the calling process when executing IORING_OP. Some operations are missing some types, which can lead to incorrect reference counts which can then lead to a double free. We recommend upgrading the kernel past commit df3f3bb5059d20ef094d6b2f0256c4bf4127a859

Weakness classification

• cve-coordination@google.com: CWE-416
• nvd@nist.gov: CWE-415

Primary references

• cve-coordination@google.com — Mailing List, Patch, Vendor Advisory
• cve-coordination@google.com — Patch, Third Party Advisory
• cve-coordination@google.com — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
• 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e