Linux Kernel Security Vulnerabilities

CVE-2004-2302

Race condition in the sysfs_read_file and sysfs_write_file functions in Linux kernel before 2.6.10 allows local users to read kernel memory and cause a denial of service (crash) via large offsets in sysfs...

CVE-2005-2500

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...

CVE-2005-1767

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...

CVE-2005-1761

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...

CVE-2005-2456

Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the...

CVE-2005-1762

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"...

CVE-2005-1768

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 count after the nargs....

CVE-2005-1765

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...

CVE-2002-1976

ifconfig, when used on the Linux kernel 2.2 and later, does not report when the network interface is in promiscuous mode if it was put in promiscuous mode using PACKET_MR_PROMISC, which could allow attackers to sniff the network without detection, as demonstrated using...

CVE-2001-1494

script command in the util-linux package before 2.11n allows local users to overwrite arbitrary files by setting a hardlink from the typescript log file to any file on the system, then having root execute the script...

CVE-2005-1265

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...

CVE-2005-0756

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...

CVE-2005-1763

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

CVE-2004-2136

dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without...

CVE-2004-2135

cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without...

CVE-2005-1589

The pkt_ioctl function in the pktcdvd block device ioctl handler (pktcdvd.c) in Linux kernel 2.6.12-rc4 and earlier calls the wrong function before passing an ioctl to the block device, which crosses security boundaries by making kernel address space accessible from user space and allows local...

CVE-2005-1264

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-2005-1263

The elf_core_dump function in binfmt_elf.c for Linux kernel 2.x.x to 2.2.27-rc2, 2.4.x to 2.4.31-pre1, and 2.6.x to 2.6.12-rc4 allows local users to execute arbitrary code via an ELF binary that, in certain conditions involving the create_elf_tables function, causes a negative length argument to...

CVE-2004-2013

Integer overflow in the SCTP_SOCKOPT_DEBUG_NAME SCTP socket option in socket.c in the Linux kernel 2.4.25 and earlier allows local users to execute arbitrary code via an optlen value of -1, which causes kmalloc to allocate 0 bytes of...

CVE-2004-1983

The arch_get_unmapped_area function in mmap.c in the PaX patches for Linux kernel 2.6, when Address Space Layout Randomization (ASLR) is enabled, allows local users to cause a denial of service (infinite loop) via unknown attack...

CVE-2005-0209

Netfilter in Linux kernel 2.6.8.1 allows remote attackers to cause a denial of service (kernel crash) via crafted IP packet...

CVE-2005-0135

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...

CVE-2005-0977

The shmem_nopage function in shmem.c for the tmpfs driver in Linux kernel 2.6 does not properly verify the address argument, which allows local users to cause a denial of service (kernel crash) via an invalid...

CVE-2005-0137

Linux kernel 2.6 on Itanium (ia64) architectures allows local users to cause a denial of service via a "missing Itanium syscall table...

CVE-2005-0400

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...

CVE-2005-0531

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...

CVE-2005-1368

The key_user_lookup function in security/keys/key.c in Linux kernel 2.6.10 to 2.6.11.8 may allow attackers to cause a denial of service (oops) via...

CVE-2005-0867

Integer overflow in Linux kernel 2.6 allows local users to overwrite kernel memory by writing to a sysfs...

CVE-2005-1369

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 does not have an...

CVE-2005-0815

Multiple "range checking flaws" in the ISO9660 filesystem handler in Linux 2.6.11 and earlier may allow attackers to cause a denial of service or corrupt memory via a crafted...

CVE-2005-1041

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

CVE-2005-0530

Signedness error in the copy_from_read_buf function in n_tty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memory via a negative...

CVE-2005-0090

A regression error in the Red Hat Enterprise Linux 4 kernel 4GB/4GB split patch omits an "access check," which allows local users to cause a denial of service...

CVE-2005-0449

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...

CVE-2005-0839

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...

CVE-2005-0916

AIO in the Linux kernel 2.6.11 on the PPC64 or IA64 architectures with CONFIG_HUGETLB_PAGE enabled allows local users to cause a denial of service (system panic) via a process that executes the io_queue_init function but exits without running io_queue_release, which causes exit_aio and...

CVE-2005-0091

Unknown vulnerability in the Red Hat Enterprise Linux 4 kernel 4GB/4GB split patch, when using the hugemem kernel, allows local users to read and write to arbitrary kernel memory and gain privileges via certain...

CVE-2005-0532

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...

CVE-2005-0210

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...

CVE-2005-0001

Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multiprocessor machines, allows local users to execute arbitrary code via concurrent threads that share the same virtual memory space and simultaneously request...

CVE-2005-0529

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...

CVE-2005-0204

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...

CVE-2005-0207

Unknown vulnerability in Linux kernel 2.4.x, 2.5.x, and 2.6.x allows NFS clients to cause a denial of service via...

CVE-2003-0643

Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service...

CVE-2004-1237

Unknown vulnerability in the system call filtering code in the audit subsystem for Red Hat Enterprise Linux 3 allows local users to cause a denial of service (system crash) via unknown...

CVE-2005-0124

The coda_pioctl function in the coda functionality (pioctl.c) for Linux kernel 2.6.9 and 2.4.x before 2.4.29 may allow local users to cause a denial of service (crash) or execute arbitrary code via negative vi.in_size or vi.out_size values, which may trigger a buffer...

CVE-2004-1235

Race condition in the (1) load_elf_library and (2) binfmt_aout function calls for uselib in Linux kernel 2.4 through 2.429-rc2 and 2.6 through 2.6.10 allows local users to execute arbitrary code by manipulating the VMA...

CVE-2005-0003

The 64 bit ELF support in Linux kernel 2.6 before 2.6.10, on 64-bit architectures, does not properly check for overlapping VMA (virtual memory address) allocations, which allows local users to cause a denial of service (system crash) or execute arbitrary code via a crafted ELF or a.out...

CVE-2004-0812

Unknown vulnerability in the Linux kernel before 2.4.23, on the AMD AMD64 and Intel EM64T architectures, associated with "setting up TSS limits," allows local users to cause a denial of service (crash) and possibly execute arbitrary...

CVE-2005-0749

The load_elf_library in the Linux kernel before 2.6.11.6 allows local users to cause a denial of service (kernel crash) via a crafted ELF library or executable, which causes a free of an invalid...