| commit | daa66ed62c79684219088cc0361d5b316d5d1295 | [log] [tgz] |
|---|---|---|
| author | Denys Vlasenko <vda.linux@googlemail.com> | Tue Aug 02 12:41:18 2022 +0200 |
| committer | Denys Vlasenko <vda.linux@googlemail.com> | Tue Aug 02 12:41:18 2022 +0200 |
| tree | 45ea93d868cc86875bc4ab6998ff7a8e0e1677d0 | |
| parent | 1c5455284234e894dfb6086bf7f3e9a6d5d9611f [diff] |
ash: fix use-after-free in pattern substituon code Patch by soeren@soeren-tempel.net The idx variable points to a value in the stack string (as managed by STPUTC). STPUTC may resize this stack string via realloc(3). If this happens, the idx pointer needs to be updated. Otherwise, dereferencing idx may result in a use-after free. function old new delta subevalvar 1562 1566 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>