Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.10, < 5.10.258 |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2026-46189?
CVE-2026-46189 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2026-46189?
CVE-2026-46189 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46189?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.