Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 76c94651005f58885facf9c973007f5ea01ab01f; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 58880025e3362024f6d8ea01cb0c7a5df6c84ba6; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 7ae2c5b89da3cfaf856df880af27d3bb32a74b3d; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0320bac5801b31407200227173205d017488f140; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 71c8df33fd777c7628f6fbc09b14e84806c55914; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 02cc46f397eb3691c56affbd5073e54f7a82ac32; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 44e6cb3ab177faae840bb2c1ebda9a2539876184; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before dd86064417de828ff2102ddc6049c829bf7585b4; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cd9c88da171a62c4b0f1c70e50c75845969fbc18 |
| Linux / Linux | affected 2.6.12; unaffected 0 before 2.6.12; unaffected 4.9.311 through 4.9.*; unaffected 4.14.276 through 4.14.*; unaffected 4.19.238 through 4.19.*; unaffected 5.4.189 through 5.4.*; unaffected 5.10.111 through 5.10.*; unaffected 5.15.34 through 5.15.*; unaffected 5.16.20 through 5.16.*; unaffected 5.17.3 through 5.17.*; unaffected 5.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01f
- https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6
- https://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3d
- https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140
- https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914
- https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32
- https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184
- https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4
- https://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18