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The remote Oracle Linux host is missing one or more security updates.
Description of changes:
* CVE-2012-0879: Denial of service in CLONE_IO.
CLONE_IO reference counting error could be exploited by an
unprivileged local user to cause denial of service.
* CVE-2012-1097: NULL pointer dereference in the ptrace subsystem.
Under certain circumstances, ptrace-ing a process could lead to a NULL
pointer dereference and kernel panic.
* CVE-2012-1090: Denial of service in the CIFS filesystem reference
Under certain circumstances, the CIFS filesystem would open a file on
lookup. If the file was determined later to be a FIFO or any other
special file the file handle would be leaked, leading to reference
counting mismatch and a kernel OOPS on unmount.
An unprivileged local user could use this flaw to crash the system.
- regset: Return -EFAULT, not -EIO, on host-side memory fault (H. Peter
- regset: Prevent NULL pointer reference on readonly regsets (H. Peter
- cifs: fix dentry refcount leak when opening a FIFO on lookup (Jeff Layton)
- block: Fix io_context leak after failure of clone with CLONE_IO (Louis
See also :
Update the affected unbreakable enterprise kernel packages.
Risk factor :
High / CVSS Base Score : 7.2
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68670 ()
CVE ID: CVE-2012-0879CVE-2012-1090CVE-2012-1097
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