RDMA/bnxt_re: Avoid repeated requests to allocate WC pages
Summary
| CVE | CVE-2026-72495 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-15 06:22:23 UTC |
| Updated | 2026-10-21 13:19:39 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext. As of now, only 1 WC page per ucontext is supported. Add a lock to avoid concurrent access and a check to fail repeated requests. Also, if the mmap entry insert fails for the WC, free the Doorbell page index mapped for the WC page. |
Risk And Classification
Primary CVSS: v3.1 9.3 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.001940000 probability, percentile 0.084440000 (date 2026-10-16)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 9.3 | CRITICAL | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 9.3 | CRITICAL | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 360da60d6c6edb9740de7a8e6d8969d62ceff956 8e59bd37d6d63a06ed452eaffe6c9d4ad903af7b git | Not specified |
| CNA | Linux | Linux | affected 360da60d6c6edb9740de7a8e6d8969d62ceff956 00c71846874fea4917961236e49287a1850dcf98 git | Not specified |
| CNA | Linux | Linux | affected 360da60d6c6edb9740de7a8e6d8969d62ceff956 478c4d24193fe3e6aa2accd4874ae43000e4a217 git | Not specified |
| CNA | Linux | Linux | affected 360da60d6c6edb9740de7a8e6d8969d62ceff956 da406b8b49c1dfe661a497483940d7ee781430db git | Not specified |
| CNA | Linux | Linux | affected 360da60d6c6edb9740de7a8e6d8969d62ceff956 441baa79043431807115fd030d7d0bb14ed441a0 git | Not specified |
| CNA | Linux | Linux | affected 6.5 | Not specified |
| CNA | Linux | Linux | unaffected 6.5 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.160 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.114 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/00c71846874fea4917961236e49287a1850dcf98 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/da406b8b49c1dfe661a497483940d7ee781430db | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/478c4d24193fe3e6aa2accd4874ae43000e4a217 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/441baa79043431807115fd030d7d0bb14ed441a0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/8e59bd37d6d63a06ed452eaffe6c9d4ad903af7b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.