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
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux Kernel | Linux Kernel | >= unspecified, < df3f3bb5059d20ef094d6b2f0256c4bf4127a859 |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | < V1.1 |
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=df3f3bb5059d20ef094d6b2f0256c4bf4127a859Mailing List, Patch, Vendor Advisory
- https://kernel.dance/#df3f3bb5059d20ef094d6b2f0256c4bf4127a859Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230203-0009/Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=df3f3bb5059d20ef094d6b2f0256c4bf4127a859Mailing List, Patch, Vendor Advisory
- https://kernel.dance/#df3f3bb5059d20ef094d6b2f0256c4bf4127a859Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230203-0009/Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Timeline
- Published
- Jul 22, 2022
- Last modified
- Oct 14, 2026
- NVD status
- Modified