diff options
| author | Andy Lutomirski <luto@amacapital.net> | 2014-12-04 16:48:16 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-08 09:58:15 -0800 |
| commit | 359d2d755e1924fc7231d8423696a7365eccd3e1 (patch) | |
| tree | ecf33e577df16731c27e7e2da51c2e0d8a01d3df /net/sched | |
| parent | 1fe5620fcd6c2f0a4a927ee10c8e53196da392f3 (diff) | |
x86/tls: Validate TLS entries to protect espfix
commit 41bdc78544b8a93a9c6814b8bbbfef966272abbe upstream.
Installing a 16-bit RW data segment into the GDT defeats espfix.
AFAICT this will not affect glibc, Wine, or dosemu at all.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sched')
0 files changed, 0 insertions, 0 deletions