Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ublk: Validate SQE128 flag before accessing the cmd ublk_ctrl_cmd_dump() accesses (header *)sqe->cmd before IO_URING_F_SQE128 flag check. This could cause out of boundary memory access. Move the SQE128 flag check earlier in ublk_ctrl_uring_cmd() to return -EINVAL immediately if the flag is not set.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.0, < 6.1.165 |
References
- https://git.kernel.org/stable/c/17d33ba7291100008360b5a354962db37ad80684Patch
- https://git.kernel.org/stable/c/31cac6acf77ece488f29fb8f79589d9298e969c8Patch
- https://git.kernel.org/stable/c/4b4dff498f46e9802f71bc84258bf73065f51c6aPatch
- https://git.kernel.org/stable/c/da7e4b75e50c087d2031a92f6646eb90f7045a67Patch
- https://git.kernel.org/stable/c/dbe8e81a2ec608f87f79a34f6444cd62f6a243bbPatch
- https://git.kernel.org/stable/c/f75a5555e0049e7857eae25b60aee98b80e287ecPatch
FAQ
What is CVE-2026-45962?
CVE-2026-45962 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: ublk: Validate SQE128 flag before accessing the cmd ublk_ctrl_cmd_dump() accesses (header *)sqe->cmd before IO_URING_F_SQE128 flag...
How severe is CVE-2026-45962?
CVE-2026-45962 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45962?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.