UBUNTU-CVE-2022-1419
The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.
02 / AFFECTED SOFTWARE
Affected packages
38 explicit affected versions
10 explicit affected versions
141 explicit affected versions
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26 explicit affected versions
1 explicit affected versions
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13 explicit affected versions
77 explicit affected versions
1 explicit affected versions
33 explicit affected versions
10 explicit affected versions
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12 explicit affected versions
6 explicit affected versions
83 explicit affected versions
63 explicit affected versions
36 explicit affected versions
95 explicit affected versions
4 explicit affected versions
23 explicit affected versions
75 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
12 explicit affected versions
85 explicit affected versions
7 explicit affected versions
2 explicit affected versions
81 explicit affected versions
39 explicit affected versions
1 explicit affected versions
43 explicit affected versions
5 explicit affected versions
13 explicit affected versions
39 explicit affected versions
10 explicit affected versions
44 explicit affected versions
16 explicit affected versions
13 explicit affected versions
38 explicit affected versions
9 explicit affected versions
118 explicit affected versions
53 explicit affected versions
93 explicit affected versions
70 explicit affected versions
4 explicit affected versions
26 explicit affected versions
61 explicit affected versions
43 explicit affected versions
96 explicit affected versions
110 explicit affected versions
4 explicit affected versions
1 explicit affected versions
17 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2022-1419
- https://ubuntu.com/security/notices/USN-5466-1
- https://ubuntu.com/security/notices/USN-5500-1
- https://ubuntu.com/security/notices/USN-5505-1
- https://ubuntu.com/security/notices/USN-5513-1
- https://www.cve.org/CVERecord?id=CVE-2022-1419
- https://www.openwall.com/lists/oss-security/2022/04/21/1