CVE-2022-2327 | BDVDB-2026-180785 Detail
Linux KernelLinux Kernel
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
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: local.
Weaknesses#
- CWE-416 Use After Free
References#
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=df3f3bb5059d20ef094d6b2f0256c4bf4127a859
- https://kernel.dance/#df3f3bb5059d20ef094d6b2f0256c4bf4127a859
- https://security.netapp.com/advisory/ntap-20230203-0009/
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.