Author: marti Date: Wed Jul 20 14:07:16 2011 GMT
Module: packages Tag: HEAD
---- Log message:
- patch fixing CVE-2011-2484
- source info:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=26c4caea9d697043cc5a458b96411b86d7f6babd
---- Files affected:
packages/kernel:
kernel-CVE-2011-2484.patch (NONE -> 1.1) (NEW)
---- Diffs:
================================================================
Index: packages/kernel/kernel-CVE-2011-2484.patch
diff -u /dev/null packages/kernel/kernel-CVE-2011-2484.patch:1.1
--- /dev/null Wed Jul 20 16:07:16 2011
+++ packages/kernel/kernel-CVE-2011-2484.patch Wed Jul 20 16:07:11 2011
@@ -0,0 +1,43 @@
+diff -ur linux-2.6.38-orig/kernel/taskstats.c linux-2.6.38/kernel/taskstats.c
+--- linux-2.6.38-orig/kernel/taskstats.c 2011-07-20 12:39:15.000000000
+0200
++++ linux-2.6.38/kernel/taskstats.c 2011-07-20 12:59:18.000000000 +0200
+@@ -288,16 +288,18 @@
+ static int add_del_listener(pid_t pid, const struct cpumask *mask, int isadd)
+ {
+ struct listener_list *listeners;
+- struct listener *s, *tmp;
++ struct listener *s, *tmp, *s2;
+ unsigned int cpu;
+
+ if (!cpumask_subset(mask, cpu_possible_mask))
+ return -EINVAL;
+-
++
++ s = NULL;
+ if (isadd == REGISTER) {
+ for_each_cpu(cpu, mask) {
+- s = kmalloc_node(sizeof(struct listener), GFP_KERNEL,
+- cpu_to_node(cpu));
++ if (!s)
++ s = kmalloc_node(sizeof(struct listener),
++ GFP_KERNEL, cpu_to_node(cpu));
+ if (!s)
+ goto cleanup;
+ s->pid = pid;
+@@ -306,9 +308,16 @@
+
+ listeners = &per_cpu(listener_array, cpu);
+ down_write(&listeners->sem);
++ list_for_each_entry_safe(s2, tmp, &listeners->list,
list) {
++ if (s2->pid == pid)
++ goto next_cpu;
++ }
+ list_add(&s->list, &listeners->list);
++ s = NULL;
++next_cpu:
+ up_write(&listeners->sem);
+ }
++ kfree(s);
+ return 0;
+ }
+
================================================================
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