CVE-2022-49555

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Source
https://cve.org/CVERecord?id=CVE-2022-49555
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49555.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49555
Downstream
Related
Published
2025-02-26T02:14:03.150Z
Modified
2026-03-12T03:25:23.559069Z
Summary
Bluetooth: hci_qca: Use del_timer_sync() before freeing
Details

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hciqca: Use deltimer_sync() before freeing

While looking at a crash report on a timer list being corrupted, which usually happens when a timer is freed while still active. This is commonly triggered by code calling deltimer() instead of deltimer_sync() just before freeing.

One possible culprit is the hci_qca driver, which does exactly that.

Eric mentioned that wakeretranstimer could be rearmed via the work queue, so also move the destruction of the work queue before deltimersync().

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49555.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0ff252c1976da5d80db1377eb39b551931e61826
Fixed
4989bb03342941f2b730b37dfa38bce27b543661
Fixed
db03727b4bbbbb36e6ef4cb655c670eefb6448e9
Fixed
37d17f63d085d601011964ade7371aeebeb6ed4b
Fixed
2717654ae022e6ea959a4b7b762702fe1a4690c2
Fixed
72ef98445aca568a81c2da050532500a8345ad3a

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49555.json"