CVE-2026-46189

RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path

State: Published
Severity: 7.0 High
Published: May 28, 2026
Updated: Sep 9, 2026
Reserved: May 13, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	redhat-SADP

Weaknesses

CWE-763 Release of Invalid Pointer or Reference

Affected Products

Product	Versions
LinuxLinux	29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 269967d7693304e1f06ed2dff4ebbbeeb397cda4Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 1df5711121cdc11e76b889408fdbe459feba1d39Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before ecc36a82ecfcfdf3c6606d209f22ec5543c410e0Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 0c63333ff97bd1275294fd12840a0efe9d7a4c59Affected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 935ee27d0904aa944cbcc979094c20e5ef62eeadAffected 29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before e38e86995df27f1f854063dab1f0c6a513db3fafAffected
LinuxLinux	4.10Affected before 4.10Not affected 5.10.258 through 5.10.Not affected 5.15.209 through 5.15.Not affected 6.1.175 through 6.1.Not affected 6.6.140 through 6.6.Not affected 6.12.88 through 6.12.Not affected 6.18.30 through 6.18.Not affected 7.0.7 through 7.0.*Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 269967d7693304e1f06ed2dff4ebbbeeb397cda4Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 1df5711121cdc11e76b889408fdbe459feba1d39Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 3a231c34c5bc3d3cfc850b877758ec9fdaa8a483Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before ecc36a82ecfcfdf3c6606d209f22ec5543c410e0Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 0c63333ff97bd1275294fd12840a0efe9d7a4c59Affected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before 935ee27d0904aa944cbcc979094c20e5ef62eeadAffected
29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1 to before e38e86995df27f1f854063dab1f0c6a513db3fafAffected

LinuxLinux

4.10Affected
before 4.10Not affected
5.10.258 through 5.10.*Not affected
5.15.209 through 5.15.*Not affected
6.1.175 through 6.1.*Not affected
6.6.140 through 6.6.*Not affected
6.12.88 through 6.12.*Not affected
6.18.30 through 6.18.*Not affected
7.0.7 through 7.0.*Not affected
7.1 and laterNot affected

References

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