CVE-2021-47620
Bluetooth: refactor malicious adv data check
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 4.4.302, 4.9.300, 4.14.265, 4.19.228, 5.4.176, and 3 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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: refactor malicious adv data check Check for out-of-bound read was being performed at the end of while num_reports loop, and would fill journal with false positives. Added check to beginning of loop processing so that it doesn't get checked after ptr has been advanced.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
From 4.4.300 · fixed in 4.4.302; From 4.9.298 · fixed in 4.9.300; From 4.14.263 · fixed in 4.14.265; From 4.19.226 · fixed in 4.19.228; From 5.4.174 · fixed in 5.4.176; From 5.10.94 · fixed in 5.10.96; From 5.15.17 · fixed in 5.15.19; From 5.16.3 · fixed in 5.16.5
References 9
git.kernel.org
- stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082
- stable/c/7889b38a7f21ed19314f83194622b195d328465c
- stable/c/5a539c08d743d9910631448da78af5e961664c0e
- stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb
- stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67
- stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba
- stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c
- stable/c/5c968affa804ba98c3c603f37ffea6fba618025e
- stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a