Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path
Sashiko points out that pvrdma_uar_free() is already called within pvrdma_dealloc_ucontext(), so calling it before triggers a double free.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 269967d7693304e1f06ed2dff4ebbbeeb397cda4; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 1df5711121cdc11e76b889408fdbe459feba1d39; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < ecc36a82ecfcfdf3c6606d209f22ec5543c410e0; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 0c63333ff97bd1275294fd12840a0efe9d7a4c59; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 935ee27d0904aa944cbcc979094c20e5ef62eead; >= 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < e38e86995df27f1f854063dab1f0c6a513db3faf |
| Linux | Linux | 4.10 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
References
- https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59Patch
- https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39Patch
- https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4Patch
- https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483Patch
- https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0Patch
- https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eeadPatch
- https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3fafPatch
- https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0Patch
- https://access.redhat.com/errata/RHSA-2026:30848
- https://access.redhat.com/errata/RHSA-2026:33685
- https://access.redhat.com/errata/RHSA-2026:33743
- https://access.redhat.com/errata/RHSA-2026:35904
- https://access.redhat.com/errata/RHSA-2026:36049
- https://access.redhat.com/errata/RHSA-2026:36073
- https://access.redhat.com/errata/RHSA-2026:36767
- https://access.redhat.com/errata/RHSA-2026:38902
- https://access.redhat.com/errata/RHSA-2026:40068
- https://access.redhat.com/errata/RHSA-2026:40760
- https://access.redhat.com/errata/RHSA-2026:47633
- https://access.redhat.com/security/cve/CVE-2026-46189
- https://bugzilla.redhat.com/show_bug.cgi?id=2482588
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46189.json
Timeline
- Published
- May 28, 2026
- Last modified
- Nov 6, 2026
- NVD status
- Modified