CVE-2026-46189
RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
28 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://access.redhat.com/errata/RHSA-2026:30848https://access.redhat.com/security/cve/CVE-2026-46189https://bugzilla.redhat.com/show_bug.cgi?id=2482588https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eeadhttps://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3fafhttps://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46189.json