diff options
| author | Kirill Korotaev <dev@openvz.org> | 2006-11-11 01:08:49 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2006-11-11 01:08:49 +0100 |
| commit | 05c19c4369b40357c726a224fe51a3f5ff21f9bd (patch) | |
| tree | f10482b32d659dd750853d8db937dbe91be2ed28 /include | |
| parent | 567e0e320d52690b9a442beb146ab59af88824a7 (diff) | |
ia64/sparc: fix local DoS with corrupted ELFs (CVE-2006-4538)
This patch prevents cross-region mappings
on IA64 and SPARC which could lead to system crash.
Adrian Bunk:
Adapted to 2.6.16.
Signed-Off-By: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ia64/mman.h | 8 | ||||
| -rw-r--r-- | include/asm-sparc/mman.h | 8 | ||||
| -rw-r--r-- | include/asm-sparc64/mman.h | 8 |
3 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-ia64/mman.h b/include/asm-ia64/mman.h index 6ba179f12718..c73b87832a1e 100644 --- a/include/asm-ia64/mman.h +++ b/include/asm-ia64/mman.h @@ -22,4 +22,12 @@ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 /* lock all future mappings */ +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#define arch_mmap_check ia64_mmap_check +int ia64_mmap_check(unsigned long addr, unsigned long len, + unsigned long flags); +#endif +#endif + #endif /* _ASM_IA64_MMAN_H */ diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h index 88d1886abf3b..b7dc40bc68f4 100644 --- a/include/asm-sparc/mman.h +++ b/include/asm-sparc/mman.h @@ -35,4 +35,12 @@ #define MADV_FREE 0x5 /* (Solaris) contents can be freed */ +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#define arch_mmap_check sparc_mmap_check +int sparc_mmap_check(unsigned long addr, unsigned long len, + unsigned long flags); +#endif +#endif + #endif /* __SPARC_MMAN_H__ */ diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h index 6fd878e61435..8cc1860be630 100644 --- a/include/asm-sparc64/mman.h +++ b/include/asm-sparc64/mman.h @@ -35,4 +35,12 @@ #define MADV_FREE 0x5 /* (Solaris) contents can be freed */ +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#define arch_mmap_check sparc64_mmap_check +int sparc64_mmap_check(unsigned long addr, unsigned long len, + unsigned long flags); +#endif +#endif + #endif /* __SPARC64_MMAN_H__ */ |