UBUNTU-CVE-2023-52667
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix a potential double-free in fs_any_create_groups When kcalloc() for ft->g succeeds but kvzalloc() for in fails, fs_any_create_groups() will free ft->g. However, its caller fs_any_create_table() will free ft->g again through calling mlx5e_destroy_flow_table(), which will lead to a double-free. Fix this by setting ft->g to NULL in fs_any_create_groups().
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
29 explicit affected versions
41 explicit affected versions
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6 explicit affected versions
12 explicit affected versions
16 explicit affected versions
6 explicit affected versions
50 explicit affected versions
36 explicit affected versions
47 explicit affected versions
36 explicit affected versions
7 explicit affected versions
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7 explicit affected versions
44 explicit affected versions
9 explicit affected versions
35 explicit affected versions
3 explicit affected versions
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18 explicit affected versions
5 explicit affected versions
30 explicit affected versions
13 explicit affected versions
4 explicit affected versions
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9 explicit affected versions
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10 explicit affected versions
7 explicit affected versions
12 explicit affected versions
34 explicit affected versions
12 explicit affected versions
10 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
10 explicit affected versions
37 explicit affected versions
9 explicit affected versions
10 explicit affected versions
23 explicit affected versions
26 explicit affected versions
13 explicit affected versions
4 explicit affected versions
29 explicit affected versions
13 explicit affected versions
47 explicit affected versions
45 explicit affected versions
7 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
36 explicit affected versions
28 explicit affected versions
44 explicit affected versions
10 explicit affected versions
26 explicit affected versions
1 explicit affected versions
13 explicit affected versions
16 explicit affected versions
47 explicit affected versions
37 explicit affected versions
3 explicit affected versions
2 explicit affected versions
51 explicit affected versions
1 explicit affected versions
12 explicit affected versions
34 explicit affected versions
27 explicit affected versions
20 explicit affected versions
8 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
9 explicit affected versions
13 explicit affected versions
7 explicit affected versions
39 explicit affected versions
10 explicit affected versions
12 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
33 explicit affected versions
37 explicit affected versions
14 explicit affected versions
38 explicit affected versions
37 explicit affected versions
9 explicit affected versions
36 explicit affected versions
11 explicit affected versions
44 explicit affected versions
8 explicit affected versions
7 explicit affected versions
18 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
42 explicit affected versions
10 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
4 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: net/mlx5e: fix a potential double-free in fs_any_create_groups When kcalloc() for ft->g succeeds but kvzalloc() for in fails, fs_any_create_groups() will free ft->g. However, its caller fs_any_create_table() will free ft->g again through calling mlx5e_destroy_flow_table(), which will lead to a double-free. Fix this by setting ft->g to NULL in fs_any_create_groups().
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/aef855df7e1bbd5aa4484851561211500b22707e
- https://git.kernel.org/stable/c/2897c981ee63e1be5e530b1042484626a10b26d8
- https://git.kernel.org/stable/c/65a4ade8a6d205979292e88beeb6a626ddbd4779
- https://git.kernel.org/stable/c/72a729868592752b5a294d27453da264106983b1
- https://git.kernel.org/stable/c/aef855df7e1bbd5aa4484851561211500b22707e
- https://git.kernel.org/stable/c/b2fa86b2aceb4bc9ada51cea90f61546d7512cbe
- https://ubuntu.com/security/CVE-2023-52667
- 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-2023-52667