CVE-2026-46189 - CVE | ByteOS Network

CVE Vulnerability Details :

CVE-2026-46189

PUBLISHED

More Info Official Page

Assigner-Linux

Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-28 May, 2026 | 09:36

Updated At-14 Jun, 2026 | 18:01

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Linux Kernel Organization, Inc

Product

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c

Default Status

unaffected

Versions

Affected

From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 269967d7693304e1f06ed2dff4ebbbeeb397cda4 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 1df5711121cdc11e76b889408fdbe459feba1d39 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before ecc36a82ecfcfdf3c6606d209f22ec5543c410e0 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 0c63333ff97bd1275294fd12840a0efe9d7a4c59 (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before 935ee27d0904aa944cbcc979094c20e5ef62eead (git)
From 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 before e38e86995df27f1f854063dab1f0c6a513db3faf (git)

Vendor

Linux Kernel Organization, Inc

Product

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c

Default Status

affected

Versions

Affected

4.10

Unaffected

From 0 before 4.10 (semver)
From 5.10.258 through 5.10.* (semver)
From 5.15.209 through 5.15.* (semver)
From 6.1.175 through 6.1.* (semver)
From 6.6.140 through 6.6.* (semver)
From 6.12.88 through 6.12.* (semver)
From 6.18.30 through 6.18.* (semver)
From 7.0.7 through 7.0.* (semver)
From 7.1 through * (original_commit_for_fix)

References

Hyperlink	Resource
https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4	N/A
https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39	N/A
https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483	N/A
https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0	N/A
https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0	N/A
https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59	N/A
https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead	N/A
https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf	N/A

Hyperlink: https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead

Resource: N/A

Hyperlink: https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf

Resource: N/A