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CVE-2026-23328

accel/amdxdna: Fix NULL pointer dereference of mgmt_chann

Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmt_chann mgmt_chann may be set to NULL if the firmware returns an unexpected error in aie2_send_mgmt_msg_wait(). This can later lead to a NULL pointer dereference in aie2_hw_stop(). Fix this by introducing a dedicated helper to destroy mgmt_chann and by adding proper NULL checks before accessing it.

Timeline

  1. ID reserved

    By Linux

  2. · 2 months later

    Published

  3. · 7 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-2026-23328, by who scored it
Scored byCVSSScoreVector
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)
0.13% · top 97% of all CVEs (12 Nov 2026)
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 b87f920b934426a24d54613f12ed67c03ae05024 – < 6b3546e3a8c664fb8b97f587fd268dc6e413d79b
    • affected b87f920b934426a24d54613f12ed67c03ae05024 – < 032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5
    • affected b87f920b934426a24d54613f12ed67c03ae05024 – < 6270ee26e1edd862ea17e3eba148ca8fb2c99dc9

  • Linux · Linux

    • affected 6.14
    • unaffected < 6.14
    • unaffected 6.18.57 – ≤ 6.18.*
    • unaffected 6.19.7 – ≤ 6.19.*
    • unaffected 7.0 – ≤ *

References

References3

Sources

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

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Record last updated .