CVE-2026-43022
Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.1.191, 6.6.160, 6.9, 6.12.114, 6.18.57, and 1 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists hci_cmd_sync_queue_once() needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the function to return -EEXIST if queue item already exists. Modify all callsites to handle that.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 6.1.120 · fixed in 6.1.191; From 6.6.51 · fixed in 6.6.160; From 6.8.9 · fixed in 6.9
- Linux Linux
6.9
- KernelLinux
fixed in 6.6.160; From 6.7.0 · fixed in 6.12.114; From 6.9.0 · fixed in 6.18.57; From 6.13.0 · fixed in 6.19.12