diff options
Diffstat (limited to 'poky/meta/recipes-support/vim/files/CVE-2021-4069.patch')
| -rw-r--r-- | poky/meta/recipes-support/vim/files/CVE-2021-4069.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/poky/meta/recipes-support/vim/files/CVE-2021-4069.patch b/poky/meta/recipes-support/vim/files/CVE-2021-4069.patch new file mode 100644 index 0000000000..6a67281907 --- /dev/null +++ b/poky/meta/recipes-support/vim/files/CVE-2021-4069.patch @@ -0,0 +1,43 @@ +From cd2422ee2dab3f33b2dbd1271e17cdaf8762b6d1 Mon Sep 17 00:00:00 2001 +From: Minjae Kim <flowergom@gmail.com> +Date: Fri, 17 Dec 2021 20:32:02 -0800 +Subject: [PATCH] using freed memory in open command + +Problem: Using freed memory in open command. +Solution: Make a copy of the current line. + +Upstream-Status: Backported [https://github.com/vim/vim/commit/e031fe90cf2e375ce861ff5e5e281e4ad229ebb9] +CVE: CVE-2021-4069 +Signed-off-by: Minjae Kim <flowergom@gmail.com> +--- + src/ex_docmd.c | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +diff --git a/src/ex_docmd.c b/src/ex_docmd.c +index 59e245bee..ccd9e8bed 100644 +--- a/src/ex_docmd.c ++++ b/src/ex_docmd.c +@@ -6029,13 +6029,17 @@ ex_open(exarg_T *eap) + regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0); + if (regmatch.regprog != NULL) + { ++ // make a copy of the line, when searching for a mark it might be ++ // flushed ++ char_u *line = vim_strsave(ml_get_curline()); ++ + regmatch.rm_ic = p_ic; +- p = ml_get_curline(); +- if (vim_regexec(®match, p, (colnr_T)0)) +- curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p); ++ if (vim_regexec(®match, line, (colnr_T)0)) ++ curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - line); + else + emsg(_(e_nomatch)); + vim_regfree(regmatch.regprog); ++ vim_free(line); + } + // Move to the NUL, ignore any other arguments. + eap->arg += STRLEN(eap->arg); +-- +2.25.1 + |