UBUNTU-CVE-2024-36006
In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix incorrect list API usage Both the function that migrates all the chunks within a region and the function that migrates all the entries within a chunk call list_first_entry() on the respective lists without checking that the lists are not empty. This is incorrect usage of the API, which leads to the following warning [1]. Fix by returning if the lists are empty as there is nothing to migrate in this case. [1] WARNING: CPU: 0 PID: 6437 at drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c:1266 mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0> Modules linked in: CPU: 0 PID: 6437 Comm: kworker/0:37 Not tainted 6.9.0-rc3-custom-00883-g94a65f079ef6 #39 Hardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0x2c0 [...] Call Trace: <TASK> mlxsw_sp_acl_tcam_vregion_rehash_work+0x6c/0x4a0 process_one_work+0x151/0x370 worker_thread+0x2cb/0x3e0 kthread+0xd0/0x100 ret_from_fork+0x34/0x50 ret_from_fork_asm+0x1a/0x30 </TASK>
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
10 explicit affected versions
1 explicit affected versions
51 explicit affected versions
10 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
11 explicit affected versions
31 explicit affected versions
45 explicit affected versions
50 explicit affected versions
27 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
54 explicit affected versions
8 explicit affected versions
2 explicit affected versions
40 explicit affected versions
61 explicit affected versions
51 explicit affected versions
40 explicit affected versions
14 explicit affected versions
1 explicit affected versions
7 explicit affected versions
47 explicit affected versions
7 explicit affected versions
46 explicit affected versions
88 explicit affected versions
13 explicit affected versions
4 explicit affected versions
35 explicit affected versions
7 explicit affected versions
18 explicit affected versions
9 explicit affected versions
34 explicit affected versions
7 explicit affected versions
90 explicit affected versions
10 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
11 explicit affected versions
21 explicit affected versions
16 explicit affected versions
45 explicit affected versions
9 explicit affected versions
7 explicit affected versions
12 explicit affected versions
38 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
78 explicit affected versions
12 explicit affected versions
93 explicit affected versions
101 explicit affected versions
12 explicit affected versions
2 explicit affected versions
89 explicit affected versions
10 explicit affected versions
3 explicit affected versions
10 explicit affected versions
37 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
31 explicit affected versions
26 explicit affected versions
13 explicit affected versions
6 explicit affected versions
2 explicit affected versions
29 explicit affected versions
81 explicit affected versions
13 explicit affected versions
51 explicit affected versions
1 explicit affected versions
77 explicit affected versions
49 explicit affected versions
93 explicit affected versions
11 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
92 explicit affected versions
39 explicit affected versions
32 explicit affected versions
48 explicit affected versions
10 explicit affected versions
26 explicit affected versions
9 explicit affected versions
27 explicit affected versions
1 explicit affected versions
2 explicit affected versions
13 explicit affected versions
9 explicit affected versions
51 explicit affected versions
16 explicit affected versions
40 explicit affected versions
3 explicit affected versions
1 explicit affected versions
2 explicit affected versions
58 explicit affected versions
51 explicit affected versions
7 explicit affected versions
12 explicit affected versions
37 explicit affected versions
27 explicit affected versions
23 explicit affected versions
1 explicit affected versions
3 explicit affected versions
8 explicit affected versions
12 explicit affected versions
6 explicit affected versions
13 explicit affected versions
81 explicit affected versions
13 explicit affected versions
45 explicit affected versions
7 explicit affected versions
43 explicit affected versions
10 explicit affected versions
12 explicit affected versions
12 explicit affected versions
80 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
37 explicit affected versions
10 explicit affected versions
14 explicit affected versions
38 explicit affected versions
40 explicit affected versions
9 explicit affected versions
40 explicit affected versions
11 explicit affected versions
2 explicit affected versions
48 explicit affected versions
7 explicit affected versions
21 explicit affected versions
52 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
46 explicit affected versions
13 explicit affected versions
43 explicit affected versions
46 explicit affected versions
10 explicit affected versions
8 explicit affected versions
5 explicit affected versions
14 explicit affected versions
81 explicit affected versions
4 explicit affected versions
70 explicit affected versions
11 explicit affected versions
1 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix incorrect list API usage Both the function that migrates all the chunks within a region and the function that migrates all the entries within a chunk call list_first_entry() on the respective lists without checking that the lists are not empty. This is incorrect usage of the API, which leads to the following warning [1]. Fix by returning if the lists are empty as there is nothing to migrate in this case. [1] WARNING: CPU: 0 PID: 6437 at drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c:1266 mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0> Modules linked in: CPU: 0 PID: 6437 Comm: kworker/0:37 Not tainted 6.9.0-rc3-custom-00883-g94a65f079ef6 #39 Hardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0x2c0 [...] Call Trace: <TASK> mlxsw_sp_acl_tcam_vregion_rehash_work+0x6c/0x4a0 process_one_work+0x151/0x370 worker_thread+0x2cb/0x3e0 kthread+0xd0/0x100 ret_from_fork+0x34/0x50 ret_from_fork_asm+0x1a/0x30 </TASK>
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/b377add0f0117409c418ddd6504bd682ebe0bf79
- https://git.kernel.org/stable/c/09846c2309b150b8ce4e0ce96f058197598fc530
- https://git.kernel.org/stable/c/0b2c13b670b168e324e1cf109e67056a20fd610a
- https://git.kernel.org/stable/c/4526a56e02da3725db979358964df9cd9c567154
- https://git.kernel.org/stable/c/64435b64e43d8ee60faa46c0cd04e323e8b2a7b0
- https://git.kernel.org/stable/c/ab4ecfb627338e440ae11def004c524a00d93e40
- https://git.kernel.org/stable/c/af8b593c3dd9df82cb199be65863af004b09fd97
- https://git.kernel.org/stable/c/b377add0f0117409c418ddd6504bd682ebe0bf79
- https://ubuntu.com/security/CVE-2024-36006
- https://ubuntu.com/security/notices/USN-6896-1
- https://ubuntu.com/security/notices/USN-6896-2
- https://ubuntu.com/security/notices/USN-6896-3
- https://ubuntu.com/security/notices/USN-6896-4
- https://ubuntu.com/security/notices/USN-6896-5
- https://ubuntu.com/security/notices/USN-6898-1
- https://ubuntu.com/security/notices/USN-6898-2
- https://ubuntu.com/security/notices/USN-6898-3
- https://ubuntu.com/security/notices/USN-6898-4
- https://ubuntu.com/security/notices/USN-6917-1
- https://ubuntu.com/security/notices/USN-6919-1
- https://ubuntu.com/security/notices/USN-6927-1
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6955-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://www.cve.org/CVERecord?id=CVE-2024-36006