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mdadm: Backport fix for CVE-2023-28938

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Upstream-Status: Backport from [https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/patch/?id=7d374a1869d3a84971d027a7f4233878c8f25a62]
CVE: CVE-2023-28938
(From OE-Core rev: 8cf02e6b60e2916b9e4832590257d5d184258e9c)

Signed-off-by: Ashish Sharma <asharma@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Ashish Sharma
2023-11-28 22:43:34 +05:30
committed by Steve Sakoman
parent 7f8394e2b1
commit 59f99476d8
2 changed files with 81 additions and 0 deletions
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80
meta/recipes-extended/mdadm/files/CVE-2023-28938.patch Normal file
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@@ -0,0 +1,80 @@
From 7d374a1869d3a84971d027a7f4233878c8f25a62 Mon Sep 17 00:00:00 2001
From: Mateusz Grzonka <mateusz.grzonka@intel.com>
Date: Tue, 27 Jul 2021 10:25:18 +0200
Subject: Fix memory leak after "mdadm --detail"
Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
Upstream-Status: Backport from [https://git.kernel.org/pub/scm/utils/mdadm/mdadm.git/patch/?id=7d374a1869d3a84971d027a7f4233878c8f25a62]
CVE: CVE-2023-28938
Signed-off-by: Ashish Sharma <asharma@mvista.com>
Detail.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/Detail.c b/Detail.c
index ad56344f..d3af0ab5 100644
--- a/Detail.c
+++ b/Detail.c
@@ -66,11 +66,11 @@ int Detail(char *dev, struct context *c)
int spares = 0;
struct stat stb;
int failed = 0;
- struct supertype *st;
+ struct supertype *st = NULL;
char *subarray = NULL;
int max_disks = MD_SB_DISKS; /* just a default */
struct mdinfo *info = NULL;
- struct mdinfo *sra;
+ struct mdinfo *sra = NULL;
struct mdinfo *subdev;
char *member = NULL;
char *container = NULL;
@@ -93,8 +93,7 @@ int Detail(char *dev, struct context *c)
if (!sra) {
if (md_get_array_info(fd, &array)) {
pr_err("%s does not appear to be an md device\n", dev);
- close(fd);
- return rv;
+ goto out;
}
}
external = (sra != NULL && sra->array.major_version == -1 &&
@@ -108,16 +107,13 @@ int Detail(char *dev, struct context *c)
sra->devs == NULL) {
pr_err("Array associated with md device %s does not exist.\n",
dev);
- close(fd);
- sysfs_free(sra);
- return rv;
+ goto out;
}
array = sra->array;
} else {
pr_err("cannot get array detail for %s: %s\n",
dev, strerror(errno));
- close(fd);
- return rv;
+ goto out;
}
}
@@ -827,10 +823,12 @@ out:
close(fd);
free(subarray);
free(avail);
- for (d = 0; d < n_devices; d++)
- free(devices[d]);
+ if (devices)
+ for (d = 0; d < n_devices; d++)
+ free(devices[d]);
free(devices);
sysfs_free(sra);
+ free(st);
return rv;
}
--
cgit

1
meta/recipes-extended/mdadm/mdadm_4.1.bb
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@@ -25,6 +25,7 @@ SRC_URI = "${KERNELORG_MIRROR}/linux/utils/raid/mdadm/${BPN}-${PV}.tar.xz \
file://include_sysmacros.patch \
file://0001-mdadm-skip-test-11spare-migration.patch \
file://CVE-2023-28736.patch \
file://CVE-2023-28938.patch \
"
SRC_URI[md5sum] = "51bf3651bd73a06c413a2f964f299598"