Messages in this thread Patch in this message | | | Date | Wed, 12 May 2010 10:39:29 +0200 | From | Adam Lackorzynski <> | Subject | [PATCH] sysctl: Allow non-root to read mmap_min_addr value |
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Although /proc/sys/vm/mmap_min_addr has 644 permissions a read call returns -EPERM. Allow any user to read the mmap_min_addr value.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de> --- security/min_addr.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/security/min_addr.c b/security/min_addr.c index e86f297..f728728 100644 --- a/security/min_addr.c +++ b/security/min_addr.c @@ -33,7 +33,7 @@ int mmap_min_addr_handler(struct ctl_table *table, int write, { int ret; - if (!capable(CAP_SYS_RAWIO)) + if (write && !capable(CAP_SYS_RAWIO)) return -EPERM; ret = proc_doulongvec_minmax(table, write, buffer, lenp, ppos); -- 1.7.1
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