Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: drm/sun4i: backend: fix error pointer dereference The function drm_atomic_get_plane_state() can return an error pointer and is not checked for it. Add error pointer check. Detected by Smatch: drivers/gpu/drm/sun4i/sun4i_backend.c:496 sun4i_backend_atomic_check() error: 'plane_state' dereferencing possible ERR_PTR()
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 96180dde23b799272ab2e7d47210c8840799d0d2 before ea51fd96aca01381e8f1ac0c671a57b7619193bb; affected 96180dde23b799272ab2e7d47210c8840799d0d2 before cf615b90a11a39a28e313be5e508e94bcde72016; affected 96180dde23b799272ab2e7d47210c8840799d0d2 before 779c2f10743fc021f2f0ebe2b188cadfb973c5e4; affected 96180dde23b799272ab2e7d47210c8840799d0d2 before 47038159c559824f4dbfb5b0d87b9b3416663372; affected 96180dde23b799272ab2e7d47210c8840799d0d2 before e9bef62f1bb9fcb38223730657af20f4c6283c16; affected 96180dde23b799272ab2e7d47210c8840799d0d2 before 06277983eca4a31d3c2114fa33d99a6e82484b11 |
| Linux / Linux | affected 4.17; unaffected 0 before 4.17; unaffected 6.1.175 through 6.1.*; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb
- https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016
- https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4
- https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372
- https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16
- https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11