[kernel] r14110 - in dists/sid/linux-2.6/debian: . patches/bugfix/parisc patches/series

[Dann Frazier]

Author: dannf
Date: Fri Aug 14 23:50:51 2009
New Revision: 14110

Log:
[parisc] isa-eeprom - Fix loff_t usage

Added:
   dists/sid/linux-2.6/debian/patches/bugfix/parisc/isa-eeprom-fix-loff_t-usage.patch
Modified:
   dists/sid/linux-2.6/debian/changelog
   dists/sid/linux-2.6/debian/patches/series/6

Modified: dists/sid/linux-2.6/debian/changelog
==============================================================================
--- dists/sid/linux-2.6/debian/changelog	Fri Aug 14 23:47:02 2009	(r14109)
+++ dists/sid/linux-2.6/debian/changelog	Fri Aug 14 23:50:51 2009	(r14110)
@@ -6,6 +6,7 @@
   [ dann frazier ]
   * Make sock_sendpage() use kernel_sendpage() (CVE-2009-2692)
   * flat: fix uninitialized ptr with shared libs
+  * [parisc] isa-eeprom - Fix loff_t usage
 
  -- Bastian Blank <waldi at debian.org>  Fri, 14 Aug 2009 23:50:45 +0200
 

Added: dists/sid/linux-2.6/debian/patches/bugfix/parisc/isa-eeprom-fix-loff_t-usage.patch
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ dists/sid/linux-2.6/debian/patches/bugfix/parisc/isa-eeprom-fix-loff_t-usage.patch	Fri Aug 14 23:50:51 2009	(r14110)
@@ -0,0 +1,28 @@
+commit 6b4dbcd86a9d464057fcc7abe4d0574093071fcc
+Author: Michael Buesch <mb at bu3sch.de>
+Date:   Mon Jul 20 22:58:44 2009 +0000
+
+    parisc: isa-eeprom - Fix loff_t usage
+    
+    loff_t is a signed type. If userspace passes a negative ppos, the "count"
+    range check is weakened. "count"s bigger than HPEE_MAX_LENGTH will pass the check.
+    Also, if ppos is negative, the readb(eisa_eeprom_addr + *ppos) will poke in random
+    memory.
+    
+    Signed-off-by: Michael Buesch <mb at bu3sch.de>
+    Cc: stable at kernel.org
+    Signed-off-by: Helge Deller <deller at gmx.de>
+
+diff --git a/drivers/parisc/eisa_eeprom.c b/drivers/parisc/eisa_eeprom.c
+index 685d94e..8c0b26e 100644
+--- a/drivers/parisc/eisa_eeprom.c
++++ b/drivers/parisc/eisa_eeprom.c
+@@ -55,7 +55,7 @@ static ssize_t eisa_eeprom_read(struct file * file,
+ 	ssize_t ret;
+ 	int i;
+ 	
+-	if (*ppos >= HPEE_MAX_LENGTH)
++	if (*ppos < 0 || *ppos >= HPEE_MAX_LENGTH)
+ 		return 0;
+ 	
+ 	count = *ppos + count < HPEE_MAX_LENGTH ? count : HPEE_MAX_LENGTH - *ppos;

Modified: dists/sid/linux-2.6/debian/patches/series/6
==============================================================================
--- dists/sid/linux-2.6/debian/patches/series/6	Fri Aug 14 23:47:02 2009	(r14109)
+++ dists/sid/linux-2.6/debian/patches/series/6	Fri Aug 14 23:50:51 2009	(r14110)
@@ -1,2 +1,3 @@
 + bugfix/all/make-sock_sendpage-use-kernel_sendpage.patch
 + bugfix/all/flat-fix-uninitialized-ptr-with-shared-libs.patch
++ bugfix/parisc/isa-eeprom-fix-loff_t-usage.patch