CVE-2022-49122
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 76c94651005f58885facf9c973007f5ea01ab01f | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 58880025e3362024f6d8ea01cb0c7a5df6c84ba6 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7ae2c5b89da3cfaf856df880af27d3bb32a74b3d | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0320bac5801b31407200227173205d017488f140 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 71c8df33fd777c7628f6fbc09b14e84806c55914 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 02cc46f397eb3691c56affbd5073e54f7a82ac32 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 44e6cb3ab177faae840bb2c1ebda9a2539876184 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < dd86064417de828ff2102ddc6049c829bf7585b4 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cd9c88da171a62c4b0f1c70e50c75845969fbc18 | affected |
| Linux | Linux | 2.6.12 | affected |
| Linux | Linux | 0 < 2.6.12 | unaffected |
| Linux | Linux | 4.9.311 <= 4.9.* | unaffected |
| Linux | Linux | 4.14.276 <= 4.14.* | unaffected |
| Linux | Linux | 4.19.238 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.189 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.111 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.34 <= 5.15.* | unaffected |
| Linux | Linux | 5.16.20 <= 5.16.* | unaffected |
| Linux | Linux | 5.17.3 <= 5.17.* | unaffected |
| Linux | Linux | 5.18 <= * | unaffected |
Weaknesses
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
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