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libcgroup: CVE-2018-14348

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Affects libcgroup <= 0.41

(From OE-Core rev: 37101fa37107c498393492ccdbc8652f685b6cce)

(From OE-Core rev: e3254b4ec0f7c22cca1952df22df6568b8d8b81c)

Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jagadeesh Krishnanjanappa
2018-08-27 22:43:20 +05:30
committed by Richard Purdie
parent 64367bbb6b
commit 79083fcd0d
2 changed files with 39 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
meta/recipes-core/libcgroup/libcgroup/CVE-2018-14348.patch Normal file
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@@ -0,0 +1,37 @@
From 0d88b73d189ea3440ccaab00418d6469f76fa590 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.com>
Date: Wed, 18 Jul 2018 11:24:29 +0200
Subject: [PATCH] cgrulesengd: remove umask(0)
One of our partners has noticed that cgred daemon is creating a log file
(/var/log/cgred) with too wide permissions (0666) and that is seen as
a security bug because an untrusted user can write to otherwise
restricted area. CVE-2018-14348 has been assigned to this issue.
CVE: CVE-2018-14348
Upstream-Status: Backport [https://sourceforge.net/p/libcg/libcg/ci/0d88b73d189ea3440ccaab00418d6469f76fa590]
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>
---
src/daemon/cgrulesengd.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/src/daemon/cgrulesengd.c b/src/daemon/cgrulesengd.c
index ea51f11..0d288f3 100644
--- a/src/daemon/cgrulesengd.c
+++ b/src/daemon/cgrulesengd.c
@@ -889,9 +889,6 @@ int cgre_start_daemon(const char *logp, const int logf,
} else if (pid > 0) {
exit(EXIT_SUCCESS);
}
-
- /* Change the file mode mask. */
- umask(0);
} else {
flog(LOG_DEBUG, "Not using daemon mode\n");
pid = getpid();
--
2.13.3

3
meta/recipes-core/libcgroup/libcgroup_0.41.bb
View File

@@ -11,7 +11,8 @@ inherit autotools pkgconfig
DEPENDS = "bison-native flex-native"
SRC_URI = "${SOURCEFORGE_MIRROR}/project/libcg/${BPN}/v0.41/${BPN}-${PV}.tar.bz2"
SRC_URI = "${SOURCEFORGE_MIRROR}/project/libcg/${BPN}/v0.41/${BPN}-${PV}.tar.bz2 \
file://CVE-2018-14348.patch"
SRC_URI_append_libc-musl = " file://musl-decls-compat.patch"
SRC_URI[md5sum] = "3dea9d50b8a5b73ff0bf1cdcb210f63f"