diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2022-0847.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2022-0847.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2022-0847.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2022-0847.patch new file mode 100644 index 000000000..c4be1a8d1 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2022-0847.patch @@ -0,0 +1,43 @@ +From 9d2231c5d74e13b2a0546fee6737ee4446017903 Mon Sep 17 00:00:00 2001 +From: Max Kellermann <max.kellermann@ionos.com> +Date: Mon, 21 Feb 2022 11:03:13 +0100 +Subject: lib/iov_iter: initialize "flags" in new pipe_buffer + +The functions copy_page_to_iter_pipe() and push_pipe() can both +allocate a new pipe_buffer, but the "flags" member initializer is +missing. + +Fixes: 241699cd72a8 ("new iov_iter flavour: pipe-backed") +To: Alexander Viro <viro@zeniv.linux.org.uk> +To: linux-fsdevel@vger.kernel.org +To: linux-kernel@vger.kernel.org +Cc: stable@vger.kernel.org +Signed-off-by: Max Kellermann <max.kellermann@ionos.com> +Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> +--- + lib/iov_iter.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/lib/iov_iter.c b/lib/iov_iter.c +index b0e0acdf96c15..6dd5330f7a995 100644 +--- a/lib/iov_iter.c ++++ b/lib/iov_iter.c +@@ -414,6 +414,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by + return 0; + + buf->ops = &page_cache_pipe_buf_ops; ++ buf->flags = 0; + get_page(page); + buf->page = page; + buf->offset = offset; +@@ -577,6 +578,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size, + break; + + buf->ops = &default_pipe_buf_ops; ++ buf->flags = 0; + buf->page = page; + buf->offset = 0; + buf->len = min_t(ssize_t, left, PAGE_SIZE); +-- +cgit 1.2.3-korg + |