On Mon, 03 Aug 2020, Christian Ehrhardt wrote:
From: Stefan Bader <stefan.bader(a)canonical.com>
On some architectures (ppc, s390x, sparc, arm) qemu will read auxv
to detect hardware capabilities via qemu_getauxval.
Allow that access read-only for the entry owned by the current
qemu process.
Signed-off-by: Christian Ehrhardt <christian.ehrhardt(a)canonical.com>
Signed-off-by: Stefan Bader <stefan.bader(a)canonical.com>
---
src/security/apparmor/libvirt-qemu | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/security/apparmor/libvirt-qemu b/src/security/apparmor/libvirt-qemu
index b132cf0226..25eff20b82 100644
--- a/src/security/apparmor/libvirt-qemu
+++ b/src/security/apparmor/libvirt-qemu
@@ -33,6 +33,7 @@
owner @{PROC}/@{pid}/task/@{tid}/comm rw,
@{PROC}/sys/kernel/cap_last_cap r,
@{PROC}/sys/vm/overcommit_memory r,
+ owner @{PROC}/*/auxv r,
+1 to apply. A code comment that is simply the first sentence of
Stefan's commit message might be a nice touch, but that is not a
blocker.
--
Jamie Strandboge |
http://www.canonical.com