CVE-2026-46126

RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()

MEDIUM

5.5

CVSS Score

Published: May 28, 2026 at 09:35 AM UTC

Updated: June 27, 2026 at 11:41 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss() Sashiko points out there are two bugs here in the error unwind flow, both related to how the WQ table is unwound. First there is a double i-- on the first failure path due to the while loop having a i--, remove it. Second if mana_ib_install_cq_cb() fails then mana_create_wq_obj() is not undone due to the above i--.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

6.13 ≤ v < 6.18.306.19 ≤ v < 7.0.76.8 ≤ v < 6.12.886.8 ≤ v < 6.18.306.8 ≤ v < 7.0.76.8 ≤ v < 7.17.1 rc1 7.1 rc2c15d7802a42402a87880a17eee89ff023e49ecc0

Vendor states this is fixed in 34ecf795692ee57c393109f4a24ccc313091e137 (fixed)

Vendor states this is fixed in 8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cf (fixed)

Vendor states this is fixed in 9a05a6798177e44dfbe18393be2c1ebb89ab06fd (fixed)

Vendor states this is fixed in bb9cb36eaefa4dcb7c0d9f7a01e5c739abdd53a8 (fixed)

Vendor states this is fixed in 6.12.88 (unaffected)

Vendor states this is fixed in 6.18.30 (unaffected)

Vendor states this is fixed in 6.8 (unaffected)

Vendor states this is fixed in 7.0.7 (unaffected)

Vendor states this is fixed in 7.1 (unaffected)