Vulnerability details
CVE-2026-46145
Linux LinuxRed Hat Enterprise Linux 9
RDMA/mana: Validate rx_hash_key_len
CVSS 3.1
7.8High
Official description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 7.0High | 3.1 | CVEProject cvelistV5 (CNA) (redhat-SADP) | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 6.2 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 0266a177631d4c6b963b5b12dd986a8c5abdbf06 ≤ v < 11c1431d641e0e4e0529e96957995820600c7287 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 0266a177631d4c6b963b5b12dd986a8c5abdbf06 ≤ v < 012796f9541fcd0c1fa8ae4da7eb4d83931ef838 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 0266a177631d4c6b963b5b12dd986a8c5abdbf06 ≤ v < 7d7c9f0fcd19c4d2f0164347c58d49cafa961b72 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 0266a177631d4c6b963b5b12dd986a8c5abdbf06 ≤ v < 6dd2d4ad9c8429523b1c220c5132bd551c006425 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 0266a177631d4c6b963b5b12dd986a8c5abdbf06 ≤ v < 7d94f155f354b961c598f71bafa804dceded513f | CVEProject cvelistV5 (CNA) |
| Red Hat | Red Hat Enterprise Linux 9 | All | CVEProject cvelistV5 (CNA) |
References and advisories
15- https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72
- https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287
- https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838
- https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f
- https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425
- https://access.redhat.com/security/cve/CVE-2026-46145 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2482581 issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46145.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:64767 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:30129 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:65712 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:62568 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27789 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27353 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27354 vendor-advisoryx_refsource_REDHAT
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Details
- Published
- 2026-05-28
- Last updated
- 2026-10-19
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.14%
Probability of exploitation in 30 days
3.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-787Out-of-bounds Write
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')