CVE-2026-46189
Not scored
RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path
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.
Exploit probability
0.1%
Published
May 28, 2026
Required by
Not available
Last source change
July 18, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-46189
View original source
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.
05 / REFERENCES
Further evidence
- 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/security/cve/CVE-2026-46189
- https://bugzilla.redhat.com/show_bug.cgi?id=2482588
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59
- https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39
- https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4
- https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483
- https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0
- https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead
- https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf
- https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46189.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-46189
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46189.json