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CVE-2026-46126— RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()

AI Predicted 5.5 Difficulty: Moderate EPSS 0.02% · P5

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinuxc15d7802a42402a87880a17eee89ff023e49ecc0< 8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cfaffected
c15d7802a42402a87880a17eee89ff023e49ecc0< bb9cb36eaefa4dcb7c0d9f7a01e5c739abdd53a8affected
c15d7802a42402a87880a17eee89ff023e49ecc0< 9a05a6798177e44dfbe18393be2c1ebb89ab06fdaffected
c15d7802a42402a87880a17eee89ff023e49ecc0< 34ecf795692ee57c393109f4a24ccc313091e137affected
6.8affected
< 6.8unaffected
6.12.88≤ 6.12.*unaffected
6.18.30≤ 6.18.*unaffected
… +2 more rows
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I. Basic Information for CVE-2026-46126

Vulnerability Information
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Vulnerability Title
RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()
Source: NVD (National Vulnerability Database)
Vulnerability 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--.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于mana_ib_create_qp_rss()中mana_destroy_wq_obj()清理错误，可能导致WQ表展开时出现双重递减和未撤销操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux c15d7802a42402a87880a17eee89ff023e49ecc0 ~ 8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cf -
LinuxLinux 6.8 -

II. Public POCs for CVE-2026-46126

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III. Intelligence Information for CVE-2026-46126

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Patches & Fixes for CVE-2026-46126 (4)

Same Patch Batch · Linux · 2026-05-28 · 138 CVEs total

CVE-2026-461379.8 CRITICALmptcp: pm: ADD_ADDR rtx: fix potential data-race
CVE-2026-461959.8 CRITICALsmb: client: validate dacloffset before building DACL pointers
CVE-2026-461159.8 CRITICALblock: add pgmap check to biovec_phys_mergeable
CVE-2026-461359.8 CRITICALnvmet-tcp: fix race between ICReq handling and queue teardown
CVE-2026-461859.1 CRITICALsmb/client: fix out-of-bounds read in symlink_data()
CVE-2026-461199.1 CRITICALlibceph: Fix slab-out-of-bounds access in auth message processing
CVE-2026-461559.1 CRITICALsmb/client: fix out-of-bounds read in smb2_compound_op()
CVE-2026-461668.8 HIGHwifi: mac80211: use safe list iteration in radar detect work
CVE-2026-461258.8 HIGHwifi: mac80211: remove station if connection prep fails
CVE-2026-461748.8 HIGHx86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
CVE-2026-461988.8 HIGHbatman-adv: fix integer overflow on buff_pos
CVE-2026-462388.8 HIGHbatman-adv: stop caching unowned originator pointers in BAT IV
CVE-2026-461138.8 HIGHKVM: x86: Fix shadow paging use-after-free due to unexpected GFN
CVE-2026-461528.8 HIGHwifi: mac80211: drop stray 'static' from fast-RX rx_result
CVE-2026-462128.8 HIGHbatman-adv: bla: prevent use-after-free when deleting claims
CVE-2026-461388.1 HIGHBluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
CVE-2026-462328.1 HIGHHID: playstation: Clamp num_touch_reports
CVE-2026-461457.8 HIGHRDMA/mana: Validate rx_hash_key_len
CVE-2026-461767.8 HIGHRDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()
CVE-2026-461977.8 HIGHdrm/amdkfd: validate SVM ioctl nattr against buffer size

Showing top 20 of 138 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46126

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