UBUNTU-CVE-2022-42896
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
02 / AFFECTED SOFTWARE
Affected packages
8 explicit affected versions
14 explicit affected versions
50 explicit affected versions
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23 explicit affected versions
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31 explicit affected versions
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23 explicit affected versions
81 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
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7 explicit affected versions
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8 explicit affected versions
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1 explicit affected versions
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62 explicit affected versions
21 explicit affected versions
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37 explicit affected versions
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10 explicit affected versions
70 explicit affected versions
1 explicit affected versions
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13 explicit affected versions
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20 explicit affected versions
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62 explicit affected versions
33 explicit affected versions
23 explicit affected versions
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7 explicit affected versions
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60 explicit affected versions
2 explicit affected versions
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59 explicit affected versions
15 explicit affected versions
1 explicit affected versions
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6 explicit affected versions
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1 explicit affected versions
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48 explicit affected versions
12 explicit affected versions
9 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
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1 explicit affected versions
50 explicit affected versions
13 explicit affected versions
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12 explicit affected versions
10 explicit affected versions
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44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
6 explicit affected versions
37 explicit affected versions
38 explicit affected versions
10 explicit affected versions
9 explicit affected versions
10 explicit affected versions
1 explicit affected versions
124 explicit affected versions
18 explicit affected versions
50 explicit affected versions
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26 explicit affected versions
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4 explicit affected versions
36 explicit affected versions
15 explicit affected versions
71 explicit affected versions
49 explicit affected versions
43 explicit affected versions
16 explicit affected versions
103 explicit affected versions
122 explicit affected versions
14 explicit affected versions
50 explicit affected versions
4 explicit affected versions
39 explicit affected versions
1 explicit affected versions
25 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/711f8c3fb3db61897080468586b970c87c61d9e4
- https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4
- https://ubuntu.com/security/CVE-2022-42896
- https://ubuntu.com/security/notices/USN-5780-1
- https://ubuntu.com/security/notices/USN-5783-1
- https://ubuntu.com/security/notices/USN-5794-1
- https://ubuntu.com/security/notices/USN-5802-1
- https://ubuntu.com/security/notices/USN-5803-1
- https://ubuntu.com/security/notices/USN-5804-1
- https://ubuntu.com/security/notices/USN-5804-2
- https://ubuntu.com/security/notices/USN-5808-1
- https://ubuntu.com/security/notices/USN-5809-1
- https://ubuntu.com/security/notices/USN-5813-1
- https://ubuntu.com/security/notices/USN-5814-1
- https://ubuntu.com/security/notices/USN-5829-1
- https://ubuntu.com/security/notices/USN-5830-1
- https://ubuntu.com/security/notices/USN-5831-1
- https://ubuntu.com/security/notices/USN-5832-1
- https://ubuntu.com/security/notices/USN-5860-1
- https://ubuntu.com/security/notices/USN-5861-1
- https://ubuntu.com/security/notices/USN-5863-1
- https://ubuntu.com/security/notices/USN-5875-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://ubuntu.com/security/notices/USN-5879-1
- https://ubuntu.com/security/notices/USN-5914-1
- https://ubuntu.com/security/notices/USN-5918-1
- https://www.cve.org/CVERecord?id=CVE-2022-42896