CVE-2026-46189

Advisory lineage Upstream: 0 Downstream: 20
Analyzed
Published: 28 May 2026, 09:36
Last modified:16 Jul 2026, 12:04

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.14% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 May 2026, 09:36
Published
Vulnerability first disclosed
16 Jul 2026, 12:04
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.14%• Percentile: 4%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

  • CWE-1341•Multiple Releases of Same Resource or Handle

    The product attempts to close or release a resource or handle more than once, without any successful open between the close operations.

Affected Systems

  • linux•linux

    ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 269967d7693304e1f06ed2dff4ebbbeeb397cda4 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 1df5711121cdc11e76b889408fdbe459feba1d39 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < ecc36a82ecfcfdf3c6606d209f22ec5543c410e0 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 0c63333ff97bd1275294fd12840a0efe9d7a4c59 | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < 935ee27d0904aa944cbcc979094c20e5ef62eead | ≥ 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1, < e38e86995df27f1f854063dab1f0c6a513db3faf | 4.10

  • linux•linux kernel

    ≥ 4.10, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.140 | ≥ 6.7, < 6.12.88 | ≥ 6.13, < 6.18.30 | ≥ 6.19, < 7.0.7 | 7.1:rc1 | 7.1:rc2

References (21)