UBUNTU-CVE-2023-52679
In the Linux kernel, the following vulnerability has been resolved: of: Fix double free in of_parse_phandle_with_args_map In of_parse_phandle_with_args_map() the inner loop that iterates through the map entries calls of_node_put(new) to free the reference acquired by the previous iteration of the inner loop. This assumes that the value of "new" is NULL on the first iteration of the inner loop. Make sure that this is true in all iterations of the outer loop by setting "new" to NULL after its value is assigned to "cur". Extend the unittest to detect the double free and add an additional test case that actually triggers this path.
02 / AFFECTED SOFTWARE
Affected packages
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
10 explicit affected versions
37 explicit affected versions
9 explicit affected versions
10 explicit affected versions
21 explicit affected versions
1 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
1 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
27 explicit affected versions
18 explicit affected versions
1 explicit affected versions
8 explicit affected versions
6 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 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
7 explicit affected versions
27 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: of: Fix double free in of_parse_phandle_with_args_map In of_parse_phandle_with_args_map() the inner loop that iterates through the map entries calls of_node_put(new) to free the reference acquired by the previous iteration of the inner loop. This assumes that the value of "new" is NULL on the first iteration of the inner loop. Make sure that this is true in all iterations of the outer loop by setting "new" to NULL after its value is assigned to "cur". Extend the unittest to detect the double free and add an additional test case that actually triggers this path.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/4dde83569832f9377362e50f7748463340c5db6b
- https://git.kernel.org/stable/c/26b4d702c44f9e5cf3c5c001ae619a4a001889db
- https://git.kernel.org/stable/c/4541004084527ce9e95a818ebbc4e6b293ffca21
- https://git.kernel.org/stable/c/4dde83569832f9377362e50f7748463340c5db6b
- https://git.kernel.org/stable/c/a0a061151a6200c13149dbcdb6c065203c8425d2
- https://git.kernel.org/stable/c/b64d09a4e8596f76d27f4b4a90a1cf6baf6a82f8
- https://git.kernel.org/stable/c/b9d760dae5b10e73369b769073525acd7b3be2bd
- https://git.kernel.org/stable/c/cafa992134124e785609a406da4ff2b54052aff7
- https://git.kernel.org/stable/c/d5f490343c77e6708b6c4aa7dbbfbcbb9546adea
- https://ubuntu.com/security/CVE-2023-52679
- 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-2023-52679