CVEvulnerability
CVE-2022-48730
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-06-20
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-203
Description
In the Linux kernel, the following vulnerability has been resolved:
dma-buf: heaps: Fix potential spectre v1 gadget
It appears like nr 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.
[sumits: added fixes and cc: stable tags]
Affected configurations
• linux linux kernel (>= 5.6 < 5.10.99)
• linux linux kernel (>= 5.11 < 5.15.22)
• linux linux kernel (>= 5.16 < 5.16.8)
• linux linux kernel 5.17
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e Patch
- https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a Patch
- https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d Patch
- https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed Patch
- https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e Patch
- https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a Patch
- https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d Patch
- https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed Patch