CVE-2026-46189 | BDVDB-2026-336309 Detail
LinuxLinux
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-763 Release of Invalid Pointer or Reference
References#
- https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4
- https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39
- https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483
- https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0
- https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0
- https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59
- https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead
- https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf
- 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
- https://access.redhat.com/errata/RHSA-2026:33685
- https://access.redhat.com/errata/RHSA-2026:36073
- https://access.redhat.com/errata/RHSA-2026:36767
- https://access.redhat.com/errata/RHSA-2026:38902
Show all 22
- https://access.redhat.com/errata/RHSA-2026:30848
- https://access.redhat.com/errata/RHSA-2026:33743
- https://access.redhat.com/errata/RHSA-2026:47633
- https://access.redhat.com/errata/RHSA-2026:40068
- https://access.redhat.com/errata/RHSA-2026:40760
- https://access.redhat.com/errata/RHSA-2026:36049
- https://access.redhat.com/errata/RHSA-2026:35904
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.