UBUNTU-CVE-2023-52457
In the Linux kernel, the following vulnerability has been resolved: serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed Returning an error code from .remove() makes the driver core emit the little helpful error message: remove callback returned a non-zero value. This will be ignored. and then remove the device anyhow. So all resources that were not freed are leaked in this case. Skipping serial8250_unregister_port() has the potential to keep enough of the UART around to trigger a use-after-free. So replace the error return (and with it the little helpful error message) by a more useful error message and continue to cleanup.
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
27 explicit affected versions
39 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
16 explicit affected versions
6 explicit affected versions
48 explicit affected versions
34 explicit affected versions
55 explicit affected versions
45 explicit affected versions
34 explicit affected versions
7 explicit affected versions
41 explicit affected versions
7 explicit affected versions
42 explicit affected versions
82 explicit affected versions
9 explicit affected versions
35 explicit affected versions
1 explicit affected versions
13 explicit affected versions
18 explicit affected versions
3 explicit affected versions
28 explicit affected versions
84 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
21 explicit affected versions
9 explicit affected versions
16 explicit affected versions
10 explicit affected versions
39 explicit affected versions
7 explicit affected versions
12 explicit affected versions
32 explicit affected versions
12 explicit affected versions
10 explicit affected versions
7 explicit affected versions
72 explicit affected versions
12 explicit affected versions
87 explicit affected versions
95 explicit affected versions
12 explicit affected versions
83 explicit affected versions
8 explicit affected versions
37 explicit affected versions
9 explicit affected versions
10 explicit affected versions
21 explicit affected versions
25 explicit affected versions
26 explicit affected versions
13 explicit affected versions
4 explicit affected versions
29 explicit affected versions
76 explicit affected versions
13 explicit affected versions
45 explicit affected versions
71 explicit affected versions
43 explicit affected versions
87 explicit affected versions
5 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
86 explicit affected versions
34 explicit affected versions
26 explicit affected versions
42 explicit affected versions
10 explicit affected versions
26 explicit affected versions
21 explicit affected versions
1 explicit affected versions
13 explicit affected versions
45 explicit affected versions
16 explicit affected versions
45 explicit affected versions
35 explicit affected versions
3 explicit affected versions
2 explicit affected versions
52 explicit affected versions
51 explicit affected versions
1 explicit affected versions
12 explicit affected versions
32 explicit affected versions
25 explicit affected versions
18 explicit affected versions
8 explicit affected versions
6 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
9 explicit affected versions
75 explicit affected versions
13 explicit affected versions
39 explicit affected versions
7 explicit affected versions
37 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
74 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
31 explicit affected versions
37 explicit affected versions
14 explicit affected versions
38 explicit affected versions
35 explicit affected versions
9 explicit affected versions
34 explicit affected versions
11 explicit affected versions
42 explicit affected versions
8 explicit affected versions
7 explicit affected versions
16 explicit affected versions
46 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
40 explicit affected versions
10 explicit affected versions
43 explicit affected versions
40 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
75 explicit affected versions
4 explicit affected versions
64 explicit affected versions
7 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed Returning an error code from .remove() makes the driver core emit the little helpful error message: remove callback returned a non-zero value. This will be ignored. and then remove the device anyhow. So all resources that were not freed are leaked in this case. Skipping serial8250_unregister_port() has the potential to keep enough of the UART around to trigger a use-after-free. So replace the error return (and with it the little helpful error message) by a more useful error message and continue to cleanup.
05 / REFERENCES
Further evidence
- https://git.kernel.org/stable/c/828cd829483f0cda920710997aed79130b0af690
- https://git.kernel.org/stable/c/887a558d0298d36297daea039954c39940228d9b
- https://git.kernel.org/stable/c/95e4e0031effad9837af557ecbfd4294a4d8aeee
- https://git.kernel.org/stable/c/ad90d0358bd3b4554f243a425168fc7cebe7d04e
- https://git.kernel.org/stable/c/b502fb43f7fb55aaf07f6092ab44657595214b93
- https://git.kernel.org/stable/c/bc57f3ef8a9eb0180606696f586a6dcfaa175ed0
- https://git.kernel.org/stable/c/d74173bda29aba58f822175d983d07c8ed335494
- https://ubuntu.com/security/CVE-2023-52457
- https://ubuntu.com/security/notices/USN-6688-1
- https://ubuntu.com/security/notices/USN-6725-1
- https://ubuntu.com/security/notices/USN-6725-2
- https://ubuntu.com/security/notices/USN-6726-1
- https://ubuntu.com/security/notices/USN-6726-2
- https://ubuntu.com/security/notices/USN-6726-3
- https://ubuntu.com/security/notices/USN-6818-1
- https://ubuntu.com/security/notices/USN-6818-2
- https://ubuntu.com/security/notices/USN-6818-3
- https://ubuntu.com/security/notices/USN-6818-4
- https://ubuntu.com/security/notices/USN-6819-1
- https://ubuntu.com/security/notices/USN-6819-2
- https://ubuntu.com/security/notices/USN-6819-3
- https://ubuntu.com/security/notices/USN-6819-4
- https://www.cve.org/CVERecord?id=CVE-2023-52457