Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fw_getenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointer dereference.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before f334b31625683418aaa2a335470eec950a95a254; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before 830181ddced5a05a711dc9da8043203b1f33a77e; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before 0f91290774c798199ba4b8df93de5c3156b5163d; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before 47e61cadc7a5f3dffd42d2d6fda81be163f1ab82; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before 3ef93b7bd9e042db240843f24a80e14da38c6830; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before a6b54af407873227caef6262e992f5422cdcb6ae; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before ad79828f133e98585ab2236cad04a55eb7141bbe; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before aeed787bbbbe1b842beec9a065a36c915226f704; affected 14aecdd419217e041fb5dd2749d11f58503bdf62 before ee1809ed7bc456a72dc8410b475b73021a3a68d5 |
| Linux / Linux | affected 3.10; unaffected 0 before 3.10; unaffected 4.14.315 through 4.14.*; unaffected 4.19.283 through 4.19.*; unaffected 5.4.243 through 5.4.*; unaffected 5.10.180 through 5.10.*; unaffected 5.15.111 through 5.15.*; unaffected 6.1.28 through 6.1.*; unaffected 6.2.15 through 6.2.*; unaffected 6.3.2 through 6.3.*; unaffected 6.4 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/f334b31625683418aaa2a335470eec950a95a254
- https://git.kernel.org/stable/c/830181ddced5a05a711dc9da8043203b1f33a77e
- https://git.kernel.org/stable/c/0f91290774c798199ba4b8df93de5c3156b5163d
- https://git.kernel.org/stable/c/47e61cadc7a5f3dffd42d2d6fda81be163f1ab82
- https://git.kernel.org/stable/c/3ef93b7bd9e042db240843f24a80e14da38c6830
- https://git.kernel.org/stable/c/a6b54af407873227caef6262e992f5422cdcb6ae
- https://git.kernel.org/stable/c/ad79828f133e98585ab2236cad04a55eb7141bbe
- https://git.kernel.org/stable/c/aeed787bbbbe1b842beec9a065a36c915226f704
- https://git.kernel.org/stable/c/ee1809ed7bc456a72dc8410b475b73021a3a68d5