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VPR Score: 6.7
SynopsisThe remote SuSE 11 host is missing one or more security updates.
DescriptionThe SUSE Linux Enterprise 11 Service Pack 1 kernel was updated to 188.8.131.52 and fixes various bugs and security issues.
The following security issues were fixed :
- When parsing the FAC_NATIONAL_DIGIS facilities field, it was possible for a remote host to provide more digipeaters than expected, resulting in heap corruption.
- (no CVEs assigned yet): In the rose networking stack, when parsing the FAC_CCITT_DEST_NSAP and FAC_CCITT_SRC_NSAP facilities fields, a remote host could provide a length of less than 10, resulting in an underflow in a memcpy size, causing a kernel panic due to massive heap corruption. A length of greater than 20 results in a stack overflow of the callsign array
- The code for evaluating OSF partitions (in fs/partitions/osf.c) contained a bug that leaks data from kernel heap memory to userspace for certain corrupted OSF partitions. (CVE-2011-1163)
- A bug in the order of dccp_rcv_state_process() was fixed that still permitted reception even after closing the socket. A Reset after close thus causes a NULL pointer dereference by not preventing operations on an already torn-down socket. (CVE-2011-1093)
- A signedness issue in drm_modeset_ctl() could be used by local attackers with access to the drm devices to potentially crash the kernel or escalate privileges.
- The epoll subsystem in Linux did not prevent users from creating circular epoll file structures, potentially leading to a denial of service (kernel deadlock).
- Multiple buffer overflows in the caiaq Native Instruments USB audio functionality in the Linux kernel might have allowed attackers to cause a denial of service or possibly have unspecified other impact via a long USB device name, related to (1) the snd_usb_caiaq_audio_init function in sound/usb/caiaq/audio.c and (2) the snd_usb_caiaq_midi_init function in sound/usb/caiaq/midi.c. (CVE-2011-0712)
- Local attackers could send signals to their programs that looked like coming from the kernel, potentially gaining privileges in the context of setuid programs.
- An issue in the core GRO code where an skb belonging to an unknown VLAN is reused could result in a NULL pointer dereference. (CVE-2011-1478)
- Specially crafted requests may be written to /dev/sequencer resulting in an underflow when calculating a size for a copy_from_user() operation in the driver for MIDI interfaces. On x86, this just returns an error, but it could have caused memory corruption on other architectures. Other malformed requests could have resulted in the use of uninitialized variables. (CVE-2011-1476)
- Due to a failure to validate user-supplied indexes in the driver for Yamaha YM3812 and OPL-3 chips, a specially crafted ioctl request could have been sent to /dev/sequencer, resulting in reading and writing beyond the bounds of heap buffers, and potentially allowing privilege escalation. (CVE-2011-1477)
- A information leak in the XFS geometry calls could be used by local attackers to gain access to kernel information. (CVE-2011-0191)
- A page allocator issue in NFS v4 ACL handling that could lead to a denial of service (crash) was fixed.
- net/ipv4/inet_diag.c in the Linux kernel did not properly audit INET_DIAG bytecode, which allowed local users to cause a denial of service (kernel infinite loop) via crafted INET_DIAG_REQ_BYTECODE instructions in a netlink message that contains multiple attribute elements, as demonstrated by INET_DIAG_BC_JMP instructions. (CVE-2010-3880)
- Fixed a buffer size issue in 'usb iowarrior' module, where a malicious device could overflow a kernel buffer.
- The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel did not check the sign of a certain integer field, which allowed local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a negative value. (CVE-2011-0521)
- In the IrDA module, length fields provided by a peer for names and attributes may be longer than the destination array sizes and were not checked, this allowed local attackers (close to the irda port) to potentially corrupt memory. (CVE-2011-1180)
- A system out of memory condition (denial of service) could be triggered with a large socket backlog, exploitable by local users. This has been addressed by backlog limiting. (CVE-2010-4251)
- The Radeon GPU drivers in the Linux kernel did not properly validate data related to the AA resolve registers, which allowed local users to write to arbitrary memory locations associated with (1) Video RAM (aka VRAM) or (2) the Graphics Translation Table (GTT) via crafted values. (CVE-2011-1016)
- Boundschecking was missing in AARESOLVE_OFFSET, which allowed local attackers to overwrite kernel memory and so escalate privileges or crash the kernel.
SolutionApply SAT patch number 4376.