CVE-2026-46189
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-763CWE-763
How to fix
Update
- linux linux_kernel5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7 or later
Patches
- git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59
- git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39
- git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4
- git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483
- git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0
- git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead
- git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf
- git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.10 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.140, 6.7 ≤ v < 6.12.88, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 7.1 | 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7 |
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