cve-2024-26897
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-12-19 08:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete The ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data structures have been fully initialised by the time it runs. However, because of the order in which things are initialised, this is not guaranteed to be the case, because the device is exposed to the USB subsystem before the ath9k driver initialisation is completed. We already committed a partial fix for this in commit: 8b3046abc99e ("ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()") However, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event tasklet, pairing it with an "initialisation complete" bit in the TX struct. It seems syzbot managed to trigger the race for one of the other commands as well, so let's just move the existing synchronisation bit to cover the whole tasklet (setting it at the end of ath9k_htc_probe_device() instead of inside ath9k_tx_init()).
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Impacted products
Vendor Product Version
Linux Linux Version: 5.17
Show details on NVD website

To clipboard 

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}


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