Not to be fixed
Created: Feb 28, 2024
Updated: Mar 27, 2024
Resolved Date: Mar 27, 2024
Found In Version: 10.19.45.1
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Kernel
In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix overflows checks in provide buffers
Colin reported before possible overflow and sign extension problems in
io_provide_buffers_prep(). As Linus pointed out previous attempt did nothing
useful, see d81269fecb8ce ("io_uring: fix provide_buffers sign extension").
Do that with help of check_<op>_overflow helpers. And fix struct
io_provide_buf::len type, as it doesn't make much sense to keep it
signed.
CREATE(Triage):(User=admin) CVE-2021-47040 (https://nvd.nist.gov/vuln/detail/CVE-2021-47040)