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CVE-2022-50418wifi: ath11k: mhi: fix potential memory leak in ath11k_mhi_register()

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: mhi: fix potential memory leak in ath11k_mhi_register() mhi_alloc_controller() allocates a memory space for mhi_ctrl. When gets some error, mhi_ctrl should be freed with mhi_free_controller(). But when ath11k_mhi_read_addr_from_dt() fails, the function returns without calling mhi_free_controller(), which will lead to a memory leak. We can fix it by calling mhi_free_controller() when ath11k_mhi_read_addr_from_dt() fails.

Timeline

  1. ID reserved

    By Linux

  2. · 1 day later

    Published

  3. · 11 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-50418, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.16% · top 95% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected 6ac04bdc5edb418787ab2040b1f922c23464c750 – < 72ef896e80b6ec7cdc1dd42577045f8e7c9c32b3
    • affected 6ac04bdc5edb418787ab2040b1f922c23464c750 – < 015ced9eb63b8b19cb725a1d592d150b60494ced
    • affected 6ac04bdc5edb418787ab2040b1f922c23464c750 – < 43e7c3505ec70db3d3c6458824d5fa40f62e3e7b

  • Linux · Linux

    • affected 5.17
    • unaffected < 5.17
    • unaffected 5.19.17 – ≤ 5.19.*
    • unaffected 6.0.3 – ≤ 6.0.*
    • unaffected 6.1 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .