Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.12.114, 6.15, 6.18.57, 7.1.8
- 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
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_big_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that. Handle NULL hcon, return 0 + do nothing to match the previous behavior.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 620810ac1f7f1133a9ac403e132b3ad6995ddf39 · fixed in 117d8bcaf1abc348185e8ab6a4ba9f8f516849a0; From 024421cf39923927ab2b5fe895d1d922b9abe67f · fixed in ff5625d27415ace5667bf87ebc16c3a0a98db22f; From 024421cf39923927ab2b5fe895d1d922b9abe67f · fixed in 2d91e6244b69d752503b2d44020d8b0e323dbd38; From 024421cf39923927ab2b5fe895d1d922b9abe67f · fixed in 56e78b670356caab0b607e8aad4cf819a1909d07; From 6.12.28 · fixed in 6.12.114; From 6.14.6 · fixed in 6.15
- Linux Linux
6.15
- KernelLinux
fixed in 6.12.114; From 6.13.0 · fixed in 6.18.57; From 6.15.0 · fixed in 7.1.8