Blame SOURCES/CVE-2023-1476.patch
|
 |
7e21e5 |
From 42a30a3ccd07e1f9853ee0cc03c314fdf3550fc1 Mon Sep 17 00:00:00 2001
|
|
|
7e21e5 |
From: Joe Lawrence <joe.lawrence@redhat.com>
|
|
|
7e21e5 |
Date: Fri, 17 Mar 2023 18:07:47 -0400
|
|
|
7e21e5 |
Subject: [KPATCH CVE-2022-1476] kpatch fixes for CVE-2022-1476
|
|
|
7e21e5 |
|
|
|
7e21e5 |
Kernels:
|
|
|
7e21e5 |
4.18.0-425.3.1.el8
|
|
|
7e21e5 |
4.18.0-425.10.1.el8_7
|
|
|
7e21e5 |
4.18.0-425.13.1.el8_7
|
|
|
7e21e5 |
|
|
|
7e21e5 |
|
|
|
7e21e5 |
Kpatch-MR: https://gitlab.com/redhat/prdsc/rhel/src/kpatch/rhel-8/-/merge_requests/93
|
|
|
7e21e5 |
Approved-by: Yannick Cote (@ycote1)
|
|
|
7e21e5 |
Changes since last build:
|
|
|
7e21e5 |
arches: x86_64 ppc64le
|
|
|
7e21e5 |
|
|
|
7e21e5 |
---------------------------
|
|
|
7e21e5 |
|
|
|
7e21e5 |
Modifications:
|
|
|
7e21e5 |
- Kpatch only
|
|
|
7e21e5 |
|
|
|
7e21e5 |
The 8.7 kpatch fix for CVE-2022-41222 was incomplete. Adjust the PMD
|
|
|
7e21e5 |
page table case as well.
|
|
|
7e21e5 |
|
|
|
7e21e5 |
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
|
|
|
7e21e5 |
---
|
|
|
7e21e5 |
mm/mremap.c | 6 ++----
|
|
|
7e21e5 |
1 file changed, 2 insertions(+), 4 deletions(-)
|
|
|
7e21e5 |
|
|
|
7e21e5 |
diff --git a/mm/mremap.c b/mm/mremap.c
|
|
|
7e21e5 |
index d837de27011b..08d35ee99afc 100644
|
|
|
7e21e5 |
--- a/mm/mremap.c
|
|
|
7e21e5 |
+++ b/mm/mremap.c
|
|
|
7e21e5 |
@@ -307,12 +307,10 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
|
|
|
7e21e5 |
*/
|
|
|
7e21e5 |
bool moved;
|
|
|
7e21e5 |
|
|
|
7e21e5 |
- if (need_rmap_locks)
|
|
|
7e21e5 |
- take_rmap_locks(vma);
|
|
|
7e21e5 |
+ take_rmap_locks(vma);
|
|
|
7e21e5 |
moved = move_normal_pmd(vma, old_addr, new_addr,
|
|
|
7e21e5 |
old_end, old_pmd, new_pmd);
|
|
|
7e21e5 |
- if (need_rmap_locks)
|
|
|
7e21e5 |
- drop_rmap_locks(vma);
|
|
|
7e21e5 |
+ drop_rmap_locks(vma);
|
|
|
7e21e5 |
if (moved)
|
|
|
7e21e5 |
continue;
|
|
|
7e21e5 |
#endif
|
|
|
7e21e5 |
--
|
|
|
7e21e5 |
2.39.2
|
|
|
7e21e5 |
|
|
|
7e21e5 |
|