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authorHitendra Prajapati <hprajapati@mvista.com>2022-06-02 09:47:50 +0530
committerSteve Sakoman <steve@sakoman.com>2022-06-07 08:56:30 -1000
commitb4f9ba859ed1fe5e1d42258fee1dd2e8e85e7eba (patch)
tree8c1569257bf1cb188f6a9490960ed6cf23386528
parent3af161acc13189cb68549f898f3964d83d00ce56 (diff)
downloadopenembedded-core-b4f9ba859ed1fe5e1d42258fee1dd2e8e85e7eba.tar.gz
e2fsprogs: CVE-2022-1304 out-of-bounds read/write via crafted filesystem
Source: https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git MR: 117430 Type: Security Fix Disposition: Backport from https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?h=maint&id=ab51d587bb9b229b1fade1afd02e1574c1ba5c76 ChangeID: e6db00c6e8375a2e869fd2e4ead61ca9149eb8fa Description: CVE-2022-1304 e2fsprogs: out-of-bounds read/write via crafted filesystem. Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>
-rw-r--r--meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch42
-rw-r--r--meta/recipes-devtools/e2fsprogs/e2fsprogs_1.45.7.bb1
2 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch b/meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch
new file mode 100644
index 0000000000..34e2567b25
--- /dev/null
+++ b/meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch
@@ -0,0 +1,42 @@
+From a66071ed6a0d1fa666d22dcb78fa6fcb3bf22df3 Mon Sep 17 00:00:00 2001
+From: Hitendra Prajapati <hprajapati@mvista.com>
+Date: Fri, 27 May 2022 14:01:50 +0530
+Subject: [PATCH] CVE-2022-1304
+
+Upstream-Status: Backport [https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?h=maint&id=ab51d587bb9b229b1fade1afd02e1574c1ba5c76]
+CVE: CVE-2022-1304
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+
+---
+ lib/ext2fs/extent.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/lib/ext2fs/extent.c b/lib/ext2fs/extent.c
+index ac3dbfec9..a1b1905cd 100644
+--- a/lib/ext2fs/extent.c
++++ b/lib/ext2fs/extent.c
+@@ -495,6 +495,10 @@ retry:
+ ext2fs_le16_to_cpu(eh->eh_entries);
+ newpath->max_entries = ext2fs_le16_to_cpu(eh->eh_max);
+
++ /* Make sure there is at least one extent present */
++ if (newpath->left <= 0)
++ return EXT2_ET_EXTENT_NO_DOWN;
++
+ if (path->left > 0) {
+ ix++;
+ newpath->end_blk = ext2fs_le32_to_cpu(ix->ei_block);
+@@ -1630,6 +1634,10 @@ errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags)
+
+ cp = path->curr;
+
++ /* Sanity check before memmove() */
++ if (path->left < 0)
++ return EXT2_ET_EXTENT_LEAF_BAD;
++
+ if (path->left) {
+ memmove(cp, cp + sizeof(struct ext3_extent_idx),
+ path->left * sizeof(struct ext3_extent_idx));
+--
+2.25.1
+
diff --git a/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.45.7.bb b/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.45.7.bb
index 3bc530e02b..3e6faf4cb8 100644
--- a/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.45.7.bb
+++ b/meta/recipes-devtools/e2fsprogs/e2fsprogs_1.45.7.bb
@@ -6,6 +6,7 @@ SRC_URI += "file://remove.ldconfig.call.patch \
file://mkdir_p.patch \
file://0001-configure.ac-correct-AM_GNU_GETTEXT.patch \
file://0001-intl-do-not-try-to-use-gettext-defines-that-no-longe.patch \
+ file://CVE-2022-1304.patch \
"
SRC_URI_append_class-native = " file://e2fsprogs-fix-missing-check-for-permission-denied.patch \