diff options
| author | Josh Boyer <jwboyer@fedoraproject.org> | 2016-10-27 10:49:53 -0400 |
|---|---|---|
| committer | Josh Boyer <jwboyer@fedoraproject.org> | 2016-10-27 10:49:53 -0400 |
| commit | ea38f2f9388111b2e0f202cae81c26629937dead (patch) | |
| tree | b6651dd350f764829e88c4d9da414ce0b895e8e4 /x86-Lock-down-IO-port-access-when-module-security-is.patch | |
| parent | 793d04075c43db89f8925515999951df32179fe1 (diff) | |
| download | kernel-ea38f2f9388111b2e0f202cae81c26629937dead.tar.gz kernel-ea38f2f9388111b2e0f202cae81c26629937dead.tar.xz kernel-ea38f2f9388111b2e0f202cae81c26629937dead.zip | |
Refresh SB patchset to fix bisectability issue
Diffstat (limited to 'x86-Lock-down-IO-port-access-when-module-security-is.patch')
| -rw-r--r-- | x86-Lock-down-IO-port-access-when-module-security-is.patch | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/x86-Lock-down-IO-port-access-when-module-security-is.patch b/x86-Lock-down-IO-port-access-when-module-security-is.patch index 185b1da99..3bb42bb45 100644 --- a/x86-Lock-down-IO-port-access-when-module-security-is.patch +++ b/x86-Lock-down-IO-port-access-when-module-security-is.patch @@ -1,7 +1,8 @@ -From 8010b5eb4680df797575e6306d4d891200e303ab Mon Sep 17 00:00:00 2001 +From e7817a96c7ef1b502dba6f70b75f9e8993a8750b Mon Sep 17 00:00:00 2001 From: Matthew Garrett <matthew.garrett@nebula.com> Date: Thu, 8 Mar 2012 10:35:59 -0500 -Subject: [PATCH] x86: Lock down IO port access when module security is enabled +Subject: [PATCH 03/20] x86: Lock down IO port access when module security is + enabled IO port access would permit users to gain access to PCI configuration registers, which in turn (on a lot of hardware) give access to MMIO register @@ -45,10 +46,10 @@ index 589b3193f102..ab8372443efb 100644 } regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index 71025c2f6bbb..86e5bfa91563 100644 +index 5bb1985ec484..7f1a7ab5850d 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c -@@ -27,6 +27,7 @@ +@@ -28,6 +28,7 @@ #include <linux/export.h> #include <linux/io.h> #include <linux/uio.h> @@ -56,7 +57,7 @@ index 71025c2f6bbb..86e5bfa91563 100644 #include <linux/uaccess.h> -@@ -577,6 +578,9 @@ static ssize_t write_port(struct file *file, const char __user *buf, +@@ -580,6 +581,9 @@ static ssize_t write_port(struct file *file, const char __user *buf, unsigned long i = *ppos; const char __user *tmp = buf; @@ -67,5 +68,5 @@ index 71025c2f6bbb..86e5bfa91563 100644 return -EFAULT; while (count-- > 0 && i < 65536) { -- -2.5.5 +2.9.3 |