The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2010:0842 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux     operating system.

    This update fixes the following security issues:

    * Missing sanity checks in the Intel i915 driver in the Linux kernel could     allow a local, unprivileged user to escalate their privileges.
    (CVE-2010-2962, Important)

    * compat_alloc_user_space() in the Linux kernel 32/64-bit compatibility     layer implementation was missing sanity checks. This function could be     abused in other areas of the Linux kernel if its length argument can be     controlled from user-space. On 64-bit systems, a local, unprivileged user     could use this flaw to escalate their privileges. (CVE-2010-3081,     Important)

    * A buffer overflow flaw in niu_get_ethtool_tcam_all() in the niu Ethernet     driver in the Linux kernel, could allow a local user to cause a denial of     service or escalate their privileges. (CVE-2010-3084, Important)

    * A flaw in the IA32 system call emulation provided in 64-bit Linux kernels     could allow a local user to escalate their privileges. (CVE-2010-3301,     Important)

    * A flaw in sctp_packet_config() in the Linux kernel's Stream Control     Transmission Protocol (SCTP) implementation could allow a remote attacker     to cause a denial of service. (CVE-2010-3432, Important)

    * A missing integer overflow check in snd_ctl_new() in the Linux kernel's     sound subsystem could allow a local, unprivileged user on a 32-bit system     to cause a denial of service or escalate their privileges. (CVE-2010-3442,     Important)

    * A flaw was found in sctp_auth_asoc_get_hmac() in the Linux kernel's SCTP     implementation. When iterating through the hmac_ids array, it did not reset     the last id element if it was out of range. This could allow a remote     attacker to cause a denial of service. (CVE-2010-3705, Important)

    * A function in the Linux kernel's Reliable Datagram Sockets (RDS) protocol     implementation was missing sanity checks, which could allow a local,     unprivileged user to escalate their privileges. (CVE-2010-3904, Important)

    * A flaw in drm_ioctl() in the Linux kernel's Direct Rendering Manager     (DRM) implementation could allow a local, unprivileged user to cause an     information leak. (CVE-2010-2803, Moderate)

    * It was found that wireless drivers might not always clear allocated     buffers when handling a driver-specific IOCTL information request. A local     user could trigger this flaw to cause an information leak. (CVE-2010-2955,     Moderate)

    * A NULL pointer dereference flaw in ftrace_regex_lseek() in the Linux     kernel's ftrace implementation could allow a local, unprivileged user to     cause a denial of service. Note: The debugfs file system must be mounted     locally to exploit this issue. It is not mounted by default.
    (CVE-2010-3079, Moderate)

    * A flaw in the Linux kernel's packet writing driver could be triggered     via the PKT_CTRL_CMD_STATUS IOCTL request, possibly allowing a local,     unprivileged user with access to /dev/pktcdvd/control to cause an     information leak. Note: By default, only users in the cdrom group have     access to /dev/pktcdvd/control. (CVE-2010-3437, Moderate)

    * A flaw was found in the way KVM (Kernel-based Virtual Machine) handled     the reloading of fs and gs segment registers when they had invalid     selectors. A privileged host user with access to /dev/kvm could use this     flaw to crash the host. (CVE-2010-3698, Moderate)

    Red Hat would like to thank Kees Cook for reporting CVE-2010-2962 and     CVE-2010-2803; Ben Hawkes for reporting CVE-2010-3081 and CVE-2010-3301;
    Dan Rosenberg for reporting CVE-2010-3442, CVE-2010-3705, CVE-2010-3904,     and CVE-2010-3437; and Robert Swiecki for reporting CVE-2010-3079.

    This update also fixes several bugs. Documentation for these bug fixes will     be available shortly from the Technical Notes document linked to in the     References section.

    Users should upgrade to these updated packages, which contain backported     patches to correct these issues. The system must be rebooted for this     update to take effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This security update of the SUSE Linux Enterprise 11 GA kernel fixes 3 critical security issues.

Following security bugs were fixed :

  - Mismatch between 32bit and 64bit register usage in the     system call entry path could be used by local attackers     to gain root privileges. This problem only affects     x86_64 kernels. (CVE-2010-3301)

  - Incorrect buffer handling in the biarch-compat buffer     handling could be used by local attackers to gain root     privileges. This problem affects foremost x86_64, or     potentially other biarch platforms, like PowerPC and     S390x. (CVE-2010-3081)

  - Integer overflow in net/can/bcm.c in the Controller Area     Network (CAN) implementation in the Linux kernel allowed     attackers to execute arbitrary code or cause a denial of     service (system crash) via crafted CAN traffic.
    (CVE-2010-2959)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
50629	RHEL 6 : kernel (RHSA-2010:0842)	Nessus	Red Hat Local Security Checks	2010/11/18	2025/4/14	high
50924	SuSE 11 / 11.1 Security Update : Linux kernel (SAT Patch Numbers 3144 / 3147 / 3148 / 3163 / 3171)	Nessus	SuSE Local Security Checks	2010/12/2	2021/1/14	high

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