CVE-2026-45975
- Source
- https://cve.org/CVERecord?id=CVE-2026-45975
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45975.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-45975
- Downstream
- Published
- 2026-05-27T12:18:33Z
- Modified
- 2026-08-12T03:51:22Z
- Summary
- ublk: use READ_ONCE() to read struct ublksrv_ctrl_cmd
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ublk: use READ_ONCE() to read struct ublksrv_ctrl_cmd
struct ublksrv_ctrl_cmd is part of the io_uring_sqe, which may lie in userspace-mapped memory. It's racy to access its fields with normal loads, as userspace may write to them concurrently. Use READ_ONCE() to copy the ublksrv_ctrl_cmd from the io_uring_sqe to the stack. Use the local copy in place of the one in the io_uring_sqe.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45975.json" }- References
-
- https://git.kernel.org/stable/c/ce63eda3e6d36e2c253febee1c8421ecbd1a680e
- https://git.kernel.org/stable/c/ed9f54cc1e335096733aed03c2a46de3d58922ed
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45975.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-45975
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git