UBUNTU-CVE-2024-44982
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: cleanup FB if dpu_format_populate_layout fails If the dpu_format_populate_layout() fails, then FB is prepared, but not cleaned up. This ends up leaking the pin_count on the GEM object and causes a splat during DRM file closure: msm_obj->pin_count WARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc [...] Call trace: update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 irq event stamp: 129818 hardirqs last enabled at (129817): [<ffffa5f6d953fcc0>] console_unlock+0x118/0x124 hardirqs last disabled at (129818): [<ffffa5f6da7dcf04>] el1_dbg+0x24/0x8c softirqs last enabled at (129808): [<ffffa5f6d94afc18>] handle_softirqs+0x4c8/0x4e8 softirqs last disabled at (129785): [<ffffa5f6d94105e4>] __do_softirq+0x14/0x20 Patchwork: https://patchwork.freedesktop.org/patch/600714/
02 / AFFECTED SOFTWARE
Affected packages
8 explicit affected versions
7 explicit affected versions
50 explicit affected versions
10 explicit affected versions
14 explicit affected versions
9 explicit affected versions
10 explicit affected versions
1 explicit affected versions
12 explicit affected versions
14 explicit affected versions
121 explicit affected versions
1 explicit affected versions
10 explicit affected versions
28 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
10 explicit affected versions
33 explicit affected versions
11 explicit affected versions
53 explicit affected versions
116 explicit affected versions
38 explicit affected versions
52 explicit affected versions
50 explicit affected versions
6 explicit affected versions
14 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
61 explicit affected versions
14 explicit affected versions
47 explicit affected versions
91 explicit affected versions
57 explicit affected versions
47 explicit affected versions
120 explicit affected versions
8 explicit affected versions
14 explicit affected versions
54 explicit affected versions
7 explicit affected versions
53 explicit affected versions
9 explicit affected versions
13 explicit affected versions
11 explicit affected versions
35 explicit affected versions
21 explicit affected versions
14 explicit affected versions
18 explicit affected versions
18 explicit affected versions
15 explicit affected versions
64 explicit affected versions
16 explicit affected versions
10 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
18 explicit affected versions
124 explicit affected versions
76 explicit affected versions
16 explicit affected versions
7 explicit affected versions
12 explicit affected versions
45 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
104 explicit affected versions
12 explicit affected versions
105 explicit affected versions
12 explicit affected versions
9 explicit affected versions
14 explicit affected versions
9 explicit affected versions
1 explicit affected versions
10 explicit affected versions
37 explicit affected versions
13 explicit affected versions
26 explicit affected versions
13 explicit affected versions
9 explicit affected versions
29 explicit affected versions
111 explicit affected versions
13 explicit affected versions
58 explicit affected versions
8 explicit affected versions
9 explicit affected versions
100 explicit affected versions
56 explicit affected versions
18 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
45 explicit affected versions
39 explicit affected versions
55 explicit affected versions
10 explicit affected versions
26 explicit affected versions
16 explicit affected versions
1 explicit affected versions
7 explicit affected versions
17 explicit affected versions
13 explicit affected versions
16 explicit affected versions
78 explicit affected versions
16 explicit affected versions
58 explicit affected versions
17 explicit affected versions
51 explicit affected versions
46 explicit affected versions
3 explicit affected versions
132 explicit affected versions
1 explicit affected versions
2 explicit affected versions
12 explicit affected versions
44 explicit affected versions
27 explicit affected versions
30 explicit affected versions
19 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
110 explicit affected versions
13 explicit affected versions
72 explicit affected versions
12 explicit affected versions
108 explicit affected versions
80 explicit affected versions
56 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
44 explicit affected versions
37 explicit affected versions
17 explicit affected versions
14 explicit affected versions
38 explicit affected versions
47 explicit affected versions
47 explicit affected versions
11 explicit affected versions
8 explicit affected versions
7 explicit affected versions
55 explicit affected versions
7 explicit affected versions
53 explicit affected versions
13 explicit affected versions
43 explicit affected versions
77 explicit affected versions
11 explicit affected versions
119 explicit affected versions
10 explicit affected versions
8 explicit affected versions
12 explicit affected versions
88 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
1 explicit affected versions
123 explicit affected versions
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: cleanup FB if dpu_format_populate_layout fails If the dpu_format_populate_layout() fails, then FB is prepared, but not cleaned up. This ends up leaking the pin_count on the GEM object and causes a splat during DRM file closure: msm_obj->pin_count WARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc [...] Call trace: update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 irq event stamp: 129818 hardirqs last enabled at (129817): [<ffffa5f6d953fcc0>] console_unlock+0x118/0x124 hardirqs last disabled at (129818): [<ffffa5f6da7dcf04>] el1_dbg+0x24/0x8c softirqs last enabled at (129808): [<ffffa5f6d94afc18>] handle_softirqs+0x4c8/0x4e8 softirqs last disabled at (129785): [<ffffa5f6d94105e4>] __do_softirq+0x14/0x20 Patchwork: https://patchwork.freedesktop.org/patch/600714/
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/bfa1a6283be390947d3649c482e5167186a37016
- https://git.kernel.org/stable/c/02193c70723118889281f75b88722b26b58bf4ae
- https://git.kernel.org/stable/c/7ecf85542169012765e4c2817cd3be6c2e009962
- https://git.kernel.org/stable/c/9b8b65211a880af8fe8330a101e1e239a2d4008f
- https://git.kernel.org/stable/c/a3c5815b07f4ee19d0b7e2ddf91ff9f03ecbf27d
- https://git.kernel.org/stable/c/bfa1a6283be390947d3649c482e5167186a37016
- https://ubuntu.com/security/CVE-2024-44982
- https://ubuntu.com/security/notices/USN-7100-1
- https://ubuntu.com/security/notices/USN-7100-2
- https://ubuntu.com/security/notices/USN-7123-1
- https://ubuntu.com/security/notices/USN-7144-1
- https://ubuntu.com/security/notices/USN-7154-1
- https://ubuntu.com/security/notices/USN-7154-2
- https://ubuntu.com/security/notices/USN-7155-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7194-1
- https://ubuntu.com/security/notices/USN-7196-1
- https://www.cve.org/CVERecord?id=CVE-2024-44982