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CVE-2024-42137Bluetooth: qca: Fix BT enable failure again for QCA6390 after warm reboot

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: Fix BT enable failure again for QCA6390 after warm reboot Commit 272970be3dab ("Bluetooth: hci_qca: Fix driver shutdown on closed serdev") will cause below regression issue: BT can't be enabled after below steps: cold boot -> enable BT -> disable BT -> warm reboot -> BT enable failure if property enable-gpios is not configured within DT|ACPI for QCA6390. The commit is to fix a use-after-free issue within qca_serdev_shutdown() by adding condition to avoid the serdev is flushed or wrote after closed but also introduces this regression issue regarding above steps since the VSC is not sent to reset controller during warm reboot. Fixed by sending the VSC to reset controller within qca_serdev_shutdown() once BT was ever enabled, and the use-after-free issue is also fixed by this change since the serdev is still opened before it is flushed or wrote. Verified by the reported machine Dell XPS 13 9310 laptop over below two kernel commits: commit e00fc2700a3f ("Bluetooth: btusb: Fix triggering coredump implementation for QCA") of bluetooth-next tree. commit b23d98d46d28 ("Bluetooth: btusb: Fix triggering coredump implementation for QCA") of linus mainline tree.

Timeline

  1. ID reserved

    By Linux

  2. · 1 day later

    Published

  3. · 22 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-2024-42137, 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)
0.23% · top 86% of all CVEs (13 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 e84ec6e25df9bb0968599e92eacedaf3a0a5b587 – < 215a26c2404fa34625c725d446967fa328a703eb
    • affected 908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3 – < 4ca6013cd18e58ac1044908c40d4006a92093a11
    • affected ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447 – < e6e200b264271f62a3fadb51ada9423015ece37b
    • affected 272970be3dabd24cbe50e393ffee8f04aec3b9a8 – < e2d8aa4c763593704ac21e7591aed4f13e32f3b5
    • affected 272970be3dabd24cbe50e393ffee8f04aec3b9a8 – < 977b9dc65e14fb80de4763d949c7dec2ecb15b9b
    • affected 272970be3dabd24cbe50e393ffee8f04aec3b9a8 – < 88e72239ead9814b886db54fc4ee39ef3c2b8f26
    • affected 5.10.165 – < 5.10.222
    • affected 5.15.90 – < 5.15.163
    • affected 6.1.8 – < 6.1.98

  • Linux · Linux

    • affected 6.2
    • unaffected < 6.2
    • unaffected 5.10.222 – ≤ 5.10.*
    • unaffected 5.15.163 – ≤ 5.15.*
    • unaffected 6.1.98 – ≤ 6.1.*
    • unaffected 6.6.39 – ≤ 6.6.*
    • unaffected 6.9.9 – ≤ 6.9.*
    • unaffected 6.10 – ≤ *

References

References7

Sources

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

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Record last updated .