Vulnerability Database

296,822

Total vulnerabilities in the database

CVE-2025-21863

In the Linux kernel, the following vulnerability has been resolved:

io_uring: prevent opcode speculation

sqe->opcode is used for different tables, make sure we santitise it against speculations.

  • Published: Mar 12, 2025
  • Updated: May 4, 2025
  • CVE: CVE-2025-21863
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

No CWE or OWASP classifications available.

Software From Fixed in
linux / linux_kernel 6.14-rc1 6.14-rc1.x
linux / linux_kernel 6.14-rc2 6.14-rc2.x
linux / linux_kernel 6.14-rc3 6.14-rc3.x
linux / linux_kernel 6.13 6.13.5
linux / linux_kernel 6.7 6.12.17
linux / linux_kernel 5.6 6.6.80