Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe() I got a null-ptr-deref report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... RIP: 0010:fb_destroy_modelist+0x38/0x100 ... Call Trace: ufx_usb_probe.cold+0x2b5/0xac1 [smscufx] usb_probe_interface+0x1aa/0x3c0 [usbcore] really_probe+0x167/0x460 ... ret_from_fork+0x1f/0x30 If fb_alloc_cmap() fails in ufx_usb_probe(), fb_destroy_modelist() will be called to destroy modelist in the error handling path. But modelist has not been initialized yet, so it will result in null-ptr-deref. Initialize modelist before calling fb_alloc_cmap() to fix this bug.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before d1b6a1f0c23b7164250479bf92e2893291dca539; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 0fd28daec73525382e5c992db8743bf76e42cd5c; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before dd3a6cc7385b89ec2303f39dfc3bafa4e24cec4b; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before da8b269cc0a2526ebeaccbe2484c999eb0f822cf; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 64ec3e678d76419f207b9cdd338dda438ca10b1c; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before c420b540db4b5d69de0a36d8b9d9a6a79a04f05a; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before d396c651e2b508b6179bb678cc029f3becbf5170; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 9280ef235b05e8f19f8bc6d547b992f0a0ef398d; affected 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 before 1791f487f877a9e83d81c8677bd3e7b259e7cb27 |
| Linux / Linux | affected 3.2; unaffected 0 before 3.2; unaffected 4.9.311 through 4.9.*; unaffected 4.14.276 through 4.14.*; unaffected 4.19.238 through 4.19.*; unaffected 5.4.189 through 5.4.*; unaffected 5.10.110 through 5.10.*; unaffected 5.15.33 through 5.15.*; unaffected 5.16.19 through 5.16.*; unaffected 5.17.2 through 5.17.*; unaffected 5.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/d1b6a1f0c23b7164250479bf92e2893291dca539
- https://git.kernel.org/stable/c/0fd28daec73525382e5c992db8743bf76e42cd5c
- https://git.kernel.org/stable/c/dd3a6cc7385b89ec2303f39dfc3bafa4e24cec4b
- https://git.kernel.org/stable/c/da8b269cc0a2526ebeaccbe2484c999eb0f822cf
- https://git.kernel.org/stable/c/64ec3e678d76419f207b9cdd338dda438ca10b1c
- https://git.kernel.org/stable/c/c420b540db4b5d69de0a36d8b9d9a6a79a04f05a
- https://git.kernel.org/stable/c/d396c651e2b508b6179bb678cc029f3becbf5170
- https://git.kernel.org/stable/c/9280ef235b05e8f19f8bc6d547b992f0a0ef398d
- https://git.kernel.org/stable/c/1791f487f877a9e83d81c8677bd3e7b259e7cb27
ADP enrichment
No English description supplied.
No references supplied.