CVE-2026-45962
published 2026-05-27CVE-2026-45962: In the Linux kernel, the following vulnerability has been resolved: ublk: Validate SQE128 flag before accessing the cmd ublk_ctrl_cmd_dump() accesses (header…
high7
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.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| linux | linux | — | — |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < 4b4dff498f46e9802f71bc84258bf73065f51c6a | 4b4dff498f46e9802f71bc84258bf73065f51c6a |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < 31cac6acf77ece488f29fb8f79589d9298e969c8 | 31cac6acf77ece488f29fb8f79589d9298e969c8 |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < dbe8e81a2ec608f87f79a34f6444cd62f6a243bb | dbe8e81a2ec608f87f79a34f6444cd62f6a243bb |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < f75a5555e0049e7857eae25b60aee98b80e287ec | f75a5555e0049e7857eae25b60aee98b80e287ec |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < 17d33ba7291100008360b5a354962db37ad80684 | 17d33ba7291100008360b5a354962db37ad80684 |
| linux | linux | >= 71f28f3136aff5890cd56de78abc673f8393cad9 < da7e4b75e50c087d2031a92f6646eb90f7045a67 | da7e4b75e50c087d2031a92f6646eb90f7045a67 |
| linux | linux_kernel | — | — |