diff options
| author |   Tim Yamin <plasmaroo@gentoo.org> | 2004-02-18 18:07:50 +0000 |
|---|---|---|
| committer | Tim Yamin <plasmaroo@gentoo.org> | 2004-02-18 18:07:50 +0000 |
| commit | d9aeac6a9654ab935ccba8e87cfe0942454ae51b (patch) | |
| tree | 143956d203069af0f3c355b2d35075642e9d84b0 /sys-kernel/alpha-sources/files | |
| parent | added ~amd64 keyword. (Manifest recommit) (diff) | |
| download | gentoo-2-d9aeac6a9654ab935ccba8e87cfe0942454ae51b.tar.gz gentoo-2-d9aeac6a9654ab935ccba8e87cfe0942454ae51b.tar.bz2 gentoo-2-d9aeac6a9654ab935ccba8e87cfe0942454ae51b.zip | |
Added the patch for the mremap/munmap vulnerability. Bug #42024.
Diffstat (limited to 'sys-kernel/alpha-sources/files')
| -rw-r--r-- | sys-kernel/alpha-sources/files/alpha-sources.munmap.patch | 27 | ||||
| -rw-r--r-- | sys-kernel/alpha-sources/files/digest-alpha-sources-2.4.21-r4 | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/sys-kernel/alpha-sources/files/alpha-sources.munmap.patch b/sys-kernel/alpha-sources/files/alpha-sources.munmap.patch new file mode 100644 index 000000000000..e120b35b7adb --- /dev/null +++ b/sys-kernel/alpha-sources/files/alpha-sources.munmap.patch @@ -0,0 +1,27 @@ +diff -ur linux-2.4.25-rc3/mm/mremap.c linux-2.4.25-rc4/mm/mremap.c +--- linux-2.4.25-rc3/mm/mremap.c 2004-02-18 13:56:01.000000000 +0000 ++++ linux-2.4.25-rc4/mm/mremap.c 2004-02-18 13:49:08.000000000 +0000 +@@ -258,16 +258,20 @@ + if ((addr <= new_addr) && (addr+old_len) > new_addr) + goto out; + +- do_munmap(current->mm, new_addr, new_len); ++ ret = do_munmap(current->mm, new_addr, new_len); ++ if (ret && new_len) ++ goto out; + } + + /* + * Always allow a shrinking remap: that just unmaps + * the unnecessary pages.. + */ +- ret = addr; + if (old_len >= new_len) { +- do_munmap(current->mm, addr+new_len, old_len - new_len); ++ ret = do_munmap(current->mm, addr+new_len, old_len - new_len); ++ if (ret && old_len != new_len) ++ goto out; ++ ret = addr; + if (!(flags & MREMAP_FIXED) || (new_addr == addr)) + goto out; + } diff --git a/sys-kernel/alpha-sources/files/digest-alpha-sources-2.4.21-r4 b/sys-kernel/alpha-sources/files/digest-alpha-sources-2.4.21-r4 new file mode 100644 index 000000000000..a17dcc489c19 --- /dev/null +++ b/sys-kernel/alpha-sources/files/digest-alpha-sources-2.4.21-r4 @@ -0,0 +1,2 @@ +MD5 f51e12efa18bb828cf57d9d4a81b2fb1 linux-2.4.21.tar.bz2 28533733 +MD5 28094d6a3d68f228bda98af459ad1310 patches-2.4.21-alpha-r3.tar.bz2 1696825 |