Linux

Exec in Linux kernel 2.6 does not properly clear posix-timers in multi-threaded environments, which results in a resource leak and could allow a large number of multiple local users to cause a denial of service by using more posix-timers than specified by the quota for a single…

The sys_get_thread_area function in process.c in Linux 2.6 before 2.6.12.4 and 2.6.13 does not clear a data structure before copying it to userspace, which might allow a user process to obtain sensitive information.

The audit system in Linux kernel 2.6.6, and other versions before 2.6.13.4, when CONFIG_AUDITSYSCALL is enabled, uses an incorrect function to free names_cache memory, which prevents the memory from being tracked by AUDITSYSCALL code and leads to a memory leak that allows…

The Orinoco driver (orinoco.c) in Linux kernel 2.6.13 and earlier does not properly clear memory from a previously used packet whose length is increased, which allows remote attackers to obtain sensitive information.

Memory leak in the request_key_auth_destroy function in request_key_auth in Linux kernel 2.6.10 up to 2.6.13 allows local users to cause a denial of service (memory consumption) via a large number of authorization token keys.

drm.c in Linux kernel 2.6.10 to 2.6.13 creates a debug file in sysfs with world-readable and world-writable permissions, which allows local users to enable DRM debugging and obtain sensitive information.

Linux 2.6.11 on 64-bit x86 (x86_64) platforms does not use a guard page for the 47-bit address page to protect against an AMD K8 bug, which allows local users to cause a denial of service.

The mprotect code (mprotect.c) in Linux 2.6 on Itanium IA64 Montecito processors does not properly maintain cache coherency as required by the architecture, which allows local users to cause a denial of service and possibly corrupt data by modifying PTE protections.

fs/exec.c in Linux 2.6, when one thread is tracing another thread that shares the same memory map, might allow local users to cause a denial of service (deadlock) by forcing a core dump when the traced thread is in the TASK_TRACED state.

Race condition in ebtables netfilter module (ebtables.c) in Linux 2.6, when running on an SMP system that is operating under a heavy load, might allow remote attackers to cause a denial of service (crash) via a series of packets that cause a value to be modified after it has…

mm/ioremap.c in Linux 2.6 on 64-bit x86 systems allows local users to cause a denial of service or an information leak via an ioremap on a certain memory map that causes the iounmap to perform a lookup of a page that does not exist.

The HFS and HFS+ (hfsplus) modules in Linux 2.6 allow attackers to cause a denial of service (oops) by using hfsplus to mount a filesystem that is not hfsplus.

The sys_set_mempolicy function in mempolicy.c in Linux kernel 2.6.x allows local users to cause a denial of service (kernel BUG()) via a negative first argument.

Linux kernel 2.6.8 to 2.6.14-rc2 allows local users to cause a denial of service (kernel OOPS) via a userspace process that issues a USB Request Block (URB) to a USB device and terminates before the URB is finished, which leads to a stale pointer reference.

Multiple vulnerabilities in Linux kernel before 2.6.13.2 allow local users to cause a denial of service (kernel OOPS from null dereference) via (1) fput in a 32-bit ioctl on 64-bit x86 systems or (2) sockfd_put in the 32-bit routing_ioctl function on 64-bit systems.

The Linux kernel 2.6 before 2.6.12.1 allows local users to cause a denial of service (kernel panic) via a non group-leader thread executing a different program than was pending in itimer, which causes the signal to be delivered to the old group-leader task, which does not exist.

Stack-based buffer overflow in the sendmsg function call in the Linux kernel 2.6 before 2.6.13.1 allows local users to execute arbitrary code by calling sendmsg and modifying the message contents in another thread.

The raw_sendmsg function in the Linux kernel 2.6 before 2.6.13.1 allows local users to cause a denial of service (change hardware state) or read from arbitrary memory via crafted input.

The ipt_recent kernel module (ipt_recent.c) in Linux kernel before 2.6.12, when running on 64-bit processors such as AMD64, allows remote attackers to cause a denial of service (kernel panic) via certain attacks such as SSH brute force, which leads to memset calls using a length…

The ipt_recent kernel module (ipt_recent.c) in Linux kernel 2.6.12 and earlier does not properly perform certain time tests when the jiffies value is greater than LONG_MAX, which can cause ipt_recent netfilter rules to block too early, a different vulnerability than…

The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error path that does not properly release the session management semaphore, which allows local users or remote attackers to cause a denial of service (semaphore hang) via a new session…

The Linux kernel before 2.6.12.5 does not properly destroy a keyring that is not instantiated properly, which allows local users or remote attackers to cause a denial of service (kernel oops) via a keyring with a payload that is not empty, which causes the creation to fail,…

The driver for compressed ISO file systems (zisofs) in the Linux kernel before 2.6.12.5 allows local users and remote attackers to cause a denial of service (kernel crash) via a crafted compressed ISO file system.

inflate.c in the zlib routines in the Linux kernel before 2.6.12.5 allows remote attackers to cause a denial of service (kernel crash) via a compressed file with "improper tables".

The huft_build function in inflate.c in the zlib routines in the Linux kernel before 2.6.12.5 returns the wrong value, which allows remote attackers to cause a denial of service (kernel crash) via a certain compressed file that leads to a null pointer dereference, a different…

The syscall32_setup_pages function in syscall32.c for Linux kernel 2.6.12 and later, on the 64-bit x86 platform, does not check the return value of the insert_vm_struct function, which allows local users to trigger a memory leak via a 32-bit application with crafted ELF headers.

Linux kernel 2.6.x does not properly restrict socket policy access to users with the CAP_NET_ADMIN capability, which could allow local users to conduct unauthorized activities via (1) ipv4/ip_sockglue.c and (2) ipv6/ipv6_sockglue.c.

vlan_dev.c in the VLAN code for Linux kernel 2.6.8 allows remote attackers to cause a denial of service (kernel oops from null dereference) via certain UDP packets that lead to a function call with the wrong argument, as demonstrated using snmpwalk on snmpd.

The find_target function in ptrace32.c in the Linux kernel 2.4.x before 2.4.29 does not properly handle a NULL return value from another function, which allows local users to cause a denial of service (kernel crash/oops) by running a 32-bit ltrace program with the -i option on a…

Buffer overflow in the xdr_xcode_array2 function in xdr.c in Linux kernel 2.6.12, as used in SuSE Linux Enterprise Server 9, might allow remote attackers to cause a denial of service and possibly execute arbitrary code via crafted XDR data for the nfsacl protocol.

traps.c in the Linux kernel 2.6.x and 2.4.x executes stack segment faults on an exception stack, which allows local users to cause a denial of service (oops and stack fault exception).

Linux kernel 2.6 and 2.4 on the IA64 architecture allows local users to cause a denial of service (kernel crash) via ptrace and the restore_sigcontext function.

The ptrace call in the Linux kernel 2.6.8.1 and 2.6.10 for the AMD64 platform allows local users to cause a denial of service (kernel crash) via a "non-canonical" address.

Race condition in the ia32 compatibility code for the execve system call in Linux kernel 2.4 before 2.4.31 and 2.6 before 2.6.6 allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code via a concurrent thread that increments a pointer…

The mmap function in the Linux Kernel 2.6.10 can be used to create memory maps with a start address beyond the end address, which allows local users to cause a denial of service (kernel crash).

Buffer overflow in ptrace in the Linux Kernel for 64-bit architectures allows local users to write bytes into kernel memory.

ptrace in Linux kernel 2.6.8.1 does not properly verify addresses on the amd64 platform, which allows local users to cause a denial of service (kernel crash).

syscall in the Linux kernel 2.6.8.1 and 2.6.10 for the AMD64 platform, when running in 32-bit compatibility mode, allows local users to cause a denial of service (kernel hang) via crafted arguments.

Raw character devices (raw.c) in the Linux kernel 2.6.x call the wrong function before passing an ioctl to the block device, which crosses security boundaries by making kernel address space accessible from user space, a similar vulnerability to CVE-2005-1589.

Linux kernel 2.6 before 2.6.11 does not restrict access to the N_MOUSE line discipline for a TTY, which allows local users to gain privileges by injecting mouse or keyboard events into other user sessions.

The atm_get_addr function in addr.c for Linux kernel 2.6.10 and 2.6.11 before 2.6.11-rc4 may allow local users to trigger a buffer overflow via negative arguments.

The (1) it87 and (2) via686a drivers in I2C for Linux 2.6.x before 2.6.11.8, and 2.6.12 before 2.6.12-rc2, create the sysfs "alarms" file with write permissions, which allows local users to cause a denial of service (CPU consumption) by attempting to write to the file, which…

Linux kernel 2.6.10 and 2.6.11rc1-bk6 uses different size types for offset arguments to the proc_file_read and locks_read_proc functions, which leads to a heap-based buffer overflow when a signed comparison causes negative integers to be used in a positive context.

Netfilter in the Linux kernel 2.6.8.1 allows local users to cause a denial of service (memory consumption) via certain packet fragments that are reassembled twice, which causes a data structure to be allocated twice.

The reiserfs_copy_from_user_to_file_region function in reiserfs/file.c for Linux kernel 2.6.10 and 2.6.11 before 2.6.11-rc4, when running on 64-bit architectures, may allow local users to trigger a buffer overflow as a result of casting discrepancies between size_t and int data…

The unw_unwind_to_user function in unwind.c on Itanium (ia64) architectures in Linux kernel 2.6 allows local users to cause a denial of service (system crash).

The fib_seq_start function in fib_hash.c in Linux kernel allows local users to cause a denial of service (system crash) via /proc/net/route.

The ext2_make_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new directory entry, which allows local users to obtain potentially sensitive information by reading the block.

Linux kernel before 2.6.9, when running on the AMD64 and Intel EM64T architectures, allows local users to write to privileged IO ports via the OUTS instruction.

The netfilter/iptables module in Linux before 2.6.8.1 allows remote attackers to cause a denial of service (kernel crash) or bypass firewall rules via crafted packets, which are not properly handled by the skb_checksum_help function.