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VPR Score: 6.7
SynopsisThe remote Scientific Linux host is missing one or more security updates.
DescriptionThis update fixes the following security issues :
- instances of unsafe sprintf() use were found in the Linux kernel Bluetooth implementation. Creating a large number of Bluetooth L2CAP, SCO, or RFCOMM sockets could result in arbitrary memory pages being overwritten. A local, unprivileged user could use this flaw to cause a kernel panic (denial of service) or escalate their privileges. (CVE-2010-1084, Important)
- a flaw was found in the Xen hypervisor implementation when using the Intel Itanium architecture, allowing guests to enter an unsupported state. An unprivileged guest user could trigger this flaw by setting the BE (Big Endian) bit of the Processor Status Register (PSR), leading to the guest crashing (denial of service).
- a flaw was found in the CIFSSMBWrite() function in the Linux kernel Common Internet File System (CIFS) implementation. A remote attacker could send a specially crafted SMB response packet to a target CIFS client, resulting in a kernel panic (denial of service).
- buffer overflow flaws were found in the Linux kernel's implementation of the server-side External Data Representation (XDR) for the Network File System (NFS) version 4. An attacker on the local network could send a specially crafted large compound request to the NFSv4 server, which could possibly result in a kernel panic (denial of service) or, potentially, code execution.
- a flaw was found in the handling of the SWAPEXT IOCTL in the Linux kernel XFS file system implementation. A local user could use this flaw to read write-only files, that they do not own, on an XFS file system. This could lead to unintended information disclosure. (CVE-2010-2226, Moderate)
- a flaw was found in the dns_resolver upcall used by CIFS. A local, unprivileged user could redirect a Microsoft Distributed File System link to another IP address, tricking the client into mounting the share from a server of the user's choosing. (CVE-2010-2524, Moderate)
- a missing check was found in the mext_check_arguments() function in the ext4 file system code. A local user could use this flaw to cause the MOVE_EXT IOCTL to overwrite the contents of an append-only file on an ext4 file system, if they have write permissions for that file. (CVE-2010-2066, Low)
The system must be rebooted for this update to take effect.
SolutionUpdate the affected packages.