diff options
Diffstat (limited to 'meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch')
| -rw-r--r-- | meta/recipes-devtools/e2fsprogs/e2fsprogs/CVE-2022-1304.patch | 42 |
1 files changed, 42 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 + |