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| author |   Steve Sakoman <steve@sakoman.com> | 2022-05-09 13:10:09 +0530 |
|---|---|---|
| committer |   Armin Kuster <akuster808@gmail.com> | 2022-05-25 19:34:39 -0700 |
| commit | abd7cf838d51900ad445a26e501baeb51b4ef1e8 (patch) | |
| tree | 8d701103394fc1038c56b1d28973bff0a59be752 /meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch | |
| parent | a8d82c80a11b90805b992e1963108af8b3a257ca (diff) | |
| download | meta-openembedded-abd7cf838d51900ad445a26e501baeb51b4ef1e8.tar.gz | |
lua: fix CVE-2022-28805
singlevar in lparser.c in Lua through 5.4.4 lacks a certain luaK_exp2anyregup
call, leading to a heap-based buffer over-read that might affect a system that
compiles untrusted Lua code.
https://nvd.nist.gov/vuln/detail/CVE-2022-28805
(From OE-Core rev: d2ba3b8850d461bc7b773240cdf15b22b31a3f9e)
Signed-off-by: Sana Kazi <sana.kazi@kpit.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 91e14d3a8e6e67267047473f5c449f266b44f354)
Signed-off-by: Omkar Patil <omkar.patil@kpit.com>
Signed-off-by: Omkar Patil <omkarpatil10.93@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Diffstat (limited to 'meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch')
| -rw-r--r-- | meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch b/meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch new file mode 100644 index 0000000000..0a21d1ce77 --- /dev/null +++ b/meta-oe/recipes-devtools/lua/lua/CVE-2022-28805.patch @@ -0,0 +1,28 @@ +From 1f3c6f4534c6411313361697d98d1145a1f030fa Mon Sep 17 00:00:00 2001 +From: Roberto Ierusalimschy <roberto@inf.puc-rio.br> +Date: Tue, 15 Feb 2022 12:28:46 -0300 +Subject: [PATCH] Bug: Lua can generate wrong code when _ENV is <const> + +CVE: CVE-2022-28805 + +Upstream-Status: Backport [https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa] + +Signed-off-by: Sana Kazi <sana.kazi@kpit.com> +Signed-off-by: Steve Sakoman <steve@sakoman.com> +--- + src/lparser.c | 1 + + 1 files changed, 1 insertions(+) + +diff --git a/src/lparser.c b/src/lparser.c +index 3abe3d751..a5cd55257 100644 +--- a/src/lparser.c ++++ b/src/lparser.c +@@ -300,6 +300,7 @@ + expdesc key; + singlevaraux(fs, ls->envn, var, 1); /* get environment variable */ + lua_assert(var->k != VVOID); /* this one must exist */ ++ luaK_exp2anyregup(fs, var); /* but could be a constant */ + codestring(ls, &key, varname); /* key is variable name */ + luaK_indexed(fs, var, &key); /* env[varname] */ + } + |