CVE-2026-46189
RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path
CVSS Score
7.0
EPSS Score
0.1%
EPSS Percentile
4th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | Jul 16, 2026 |
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Affected Versions
Linux / Linux
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 269967d7693304e1f06ed2dff4ebbbeeb397cda4 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 1df5711121cdc11e76b889408fdbe459feba1d39 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < ecc36a82ecfcfdf3c6606d209f22ec5543c410e0 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 0c63333ff97bd1275294fd12840a0efe9d7a4c59 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < 935ee27d0904aa944cbcc979094c20e5ef62eead 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 < e38e86995df27f1f854063dab1f0c6a513db3faf
Linux / Linux
4.10
References
git.kernel.org: https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4 git.kernel.org: https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39 git.kernel.org: https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483 git.kernel.org: https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0 git.kernel.org: https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0 git.kernel.org: https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59 git.kernel.org: https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead git.kernel.org: https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-46189 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2482588 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46189.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:33685 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:36073 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:36767 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:38902 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:30848 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:33743 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:40068 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:40760 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:36049 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:35904