UBUNTU-CVE-2021-4202
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
11 explicit affected versions
6 explicit affected versions
13 explicit affected versions
191 explicit affected versions
76 explicit affected versions
39 explicit affected versions
56 explicit affected versions
29 explicit affected versions
35 explicit affected versions
88 explicit affected versions
2 explicit affected versions
4 explicit affected versions
23 explicit affected versions
75 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
5 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
11 explicit affected versions
1 explicit affected versions
7 explicit affected versions
11 explicit affected versions
43 explicit affected versions
3 explicit affected versions
51 explicit affected versions
11 explicit affected versions
42 explicit affected versions
31 explicit affected versions
10 explicit affected versions
141 explicit affected versions
26 explicit affected versions
74 explicit affected versions
54 explicit affected versions
1 explicit affected versions
23 explicit affected versions
2 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
70 explicit affected versions
1 explicit affected versions
44 explicit affected versions
33 explicit affected versions
10 explicit affected versions
55 explicit affected versions
11 explicit affected versions
12 explicit affected versions
78 explicit affected versions
7 explicit affected versions
42 explicit affected versions
2 explicit affected versions
74 explicit affected versions
39 explicit affected versions
1 explicit affected versions
10 explicit affected versions
21 explicit affected versions
32 explicit affected versions
2 explicit affected versions
1 explicit affected versions
1 explicit affected versions
36 explicit affected versions
5 explicit affected versions
33 explicit affected versions
1 explicit affected versions
32 explicit affected versions
12 explicit affected versions
1 explicit affected versions
32 explicit affected versions
10 explicit affected versions
2 explicit affected versions
29 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
26 explicit affected versions
38 explicit affected versions
9 explicit affected versions
118 explicit affected versions
32 explicit affected versions
53 explicit affected versions
12 explicit affected versions
86 explicit affected versions
63 explicit affected versions
4 explicit affected versions
20 explicit affected versions
54 explicit affected versions
32 explicit affected versions
43 explicit affected versions
1 explicit affected versions
96 explicit affected versions
103 explicit affected versions
33 explicit affected versions
4 explicit affected versions
21 explicit affected versions
1 explicit affected versions
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2021-4202
- https://ubuntu.com/security/notices/USN-5265-1
- https://ubuntu.com/security/notices/USN-5294-1
- https://ubuntu.com/security/notices/USN-5294-2
- https://ubuntu.com/security/notices/USN-5297-1
- https://ubuntu.com/security/notices/USN-5298-1
- https://ubuntu.com/security/notices/USN-5500-1
- https://ubuntu.com/security/notices/USN-5505-1
- https://ubuntu.com/security/notices/USN-5513-1
- https://www.cve.org/CVERecord?id=CVE-2021-4202