Linux Kernel Security Vulnerabilities

CVE-2004-0229

The framebuffer driver in Linux kernel 2.6.x does not properly use the fb_copy_cmap function, with unknown impact.

CVE-2004-0394

A "potential" buffer overflow exists in the panic() function in Linux 2.4.x, although it may not be exploitable due to the functionality of panic.

CVE-2004-0415

Linux kernel does not properly convert 64-bit file offset pointers to 32 bits, which allows local users to access portions of kernel memory.

CVE-2004-0424

Integer overflow in the ip_setsockopt function in Linux kernel 2.4.22 through 2.4.25 and 2.6.1 through 2.6.3 allows local users to cause a denial of service (crash) or execute arbitrary code via the MCAST_MSFILTER socket option.

CVE-2004-0427

The do_fork function in Linux 2.4.x before 2.4.26, and 2.6.x before 2.6.6, does not properly decrement the mm_count counter when an error occurs after the mm_struct for a child process has been activated, which triggers a memory leak that allows local users to cause a denial of service (memory exha...

CVE-2004-0447

Unknown vulnerability in Linux before 2.4.26 for IA64 allows local users to cause a denial of service, with unknown impact. NOTE: due to a typo, this issue was accidentally assigned CVE-2004-0477. This is the proper candidate to use for the Linux local DoS.

CVE-2004-0495

Multiple unknown vulnerabilities in Linux kernel 2.4 and 2.6 allow local users to gain privileges or access kernel memory, as found by the Sparse source code checking tool.

CVE-2004-0496

Multiple unknown vulnerabilities in Linux kernel 2.6 allow local users to gain privileges or access kernel memory, a different set of vulnerabilities than those identified in CVE-2004-0495, as found by the Sparse source code checking tool.

CVE-2004-0497

Unknown vulnerability in Linux kernel 2.x may allow local users to modify the group ID of files, such as NFS exported files in kernel 2.4.

CVE-2004-0535

The e1000 driver for Linux kernel 2.4.26 and earlier does not properly initialize memory before using it, which allows local users to read portions of kernel memory. NOTE: this issue was originally incorrectly reported as a "buffer overflow" by some sources.

CVE-2004-0554

Linux kernel 2.4.x and 2.6.x for x86 allows local users to cause a denial of service (system crash), possibly via an infinite loop that triggers a signal handler with a certain sequence of fsave and frstor instructions, as originally demonstrated using a "crash.c" program.

CVE-2004-0565

Floating point information leak in the context switch code for Linux 2.4.x only checks the MFH bit but does not verify the FPH owner, which allows local users to read register values of other processes by setting the MFH bit.

CVE-2004-0596

The Equalizer Load-balancer for serial network interfaces (eql.c) in Linux kernel 2.6.x up to 2.6.7 allows local users to cause a denial of service via a non-existent device name that triggers a null dereference.

CVE-2004-0626

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the...

CVE-2004-0658

Integer overflow in the hpsb_alloc_packet function (incorrectly reported as alloc_hpsb_packet) in IEEE 1394 (Firewire) driver 2.4 and 2.6 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via the functions (1) raw1394_write, (2) state_connected, (3) handle_...

CVE-2004-0685

Certain USB drivers in the Linux 2.4 kernel use the copy_to_user function on uninitialized structures, which could allow local users to obtain sensitive information by reading memory that was not cleared from previous usage.

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 code.

CVE-2004-0814

Multiple race conditions in the terminal layer in Linux 2.4.x, and 2.6.x before 2.6.9, allow (1) local users to obtain portions of kernel data via a TIOCSETD ioctl call to a terminal interface that is being accessed by another thread, or (2) remote attackers to cause a denial of service (panic) by ...

CVE-2004-0816

Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.

CVE-2004-0883

Multiple vulnerabilities in the samba filesystem (smbfs) in Linux kernel 2.4 and 2.6 allow remote samba servers to cause a denial of service (crash) or gain sensitive information from kernel memory via a samba server (1) returning more data than requested to the smb_proc_read function, (2) returnin...

CVE-2004-0887

SUSE Linux Enterprise Server 9 on the S/390 platform does not properly handle a certain privileged instruction, which allows local users to gain root privileges.

CVE-2004-0949

The smb_recv_trans2 function call in the samba filesystem (smbfs) in Linux kernel 2.4 and 2.6 does not properly handle the re-assembly of fragmented packets correctly, which could allow remote samba servers to (1) read arbitrary kernel information or (2) raise a counter value to an arbitrary number...

CVE-2004-0986

Iptables before 1.2.11, under certain conditions, does not properly load the required modules at system startup, which causes the firewall rules to fail to load and protect the system from remote attackers.

CVE-2004-0997

Unspecified vulnerability in the ptrace MIPS assembly code in Linux kernel 2.4 before 2.4.17 allows local users to gain privileges via unknown vectors.

CVE-2004-1016

The scm_send function in the scm layer for Linux kernel 2.4.x up to 2.4.28, and 2.6.x up to 2.6.9, allows local users to cause a denial of service (system hang) via crafted auxiliary messages that are passed to the sendmsg function, which causes a deadlock condition.

CVE-2004-1017

Multiple "overflows" in the io_edgeport driver for Linux kernel 2.4.x have unknown impact and unknown attack vectors.

CVE-2004-1056

Direct Rendering Manager (DRM) driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service (X Server crash) and possibly modify the video output.

CVE-2004-1057

Multiple drivers in Linux kernel 2.4.19 and earlier do not properly mark memory with the VM_IO flag, which causes incorrect reference counts and may lead to a denial of service (kernel panic) when accessing freed kernel pages.

CVE-2004-1058

Race condition in Linux kernel 2.6 allows local users to read the environment variables of another process that is still spawning via /proc/.../cmdline.

CVE-2004-1068

A "missing serialization" error in the unix_dgram_recvmsg function in Linux 2.4.27 and earlier, and 2.6.x up to 2.6.9, allows local users to gain privileges via a race condition.

CVE-2004-1069

Race condition in SELinux 2.6.x through 2.6.9 allows local users to cause a denial of service (kernel crash) via SOCK_SEQPACKET unix domain sockets, which are not properly handled in the sock_dgram_sendmsg function.

CVE-2004-1070

The load_elf_binary function in the binfmt_elf loader (binfmt_elf.c) in Linux kernel 2.4.x up to 2.4.27, and 2.6.x up to 2.6.8, does not properly check return values from calls to the kernel_read function, which may allow local users to modify sensitive memory in a setuid program and execute arbitr...

CVE-2004-1071

The binfmt_elf loader (binfmt_elf.c) in Linux kernel 2.4.x up to 2.4.27, and 2.6.x up to 2.6.8, does not properly handle a failed call to the mmap function, which causes an incorrect mapped image and may allow local users to execute arbitrary code.

CVE-2004-1072

The binfmt_elf loader (binfmt_elf.c) in Linux kernel 2.4.x up to 2.4.27, and 2.6.x up to 2.6.8, may create an interpreter name string that is not NULL terminated, which could cause strings longer than PATH_MAX to be used, leading to buffer overflows that allow local users to cause a denial of servi...

CVE-2004-1073

The open_exec function in the execve functionality (exec.c) in Linux kernel 2.4.x up to 2.4.27, and 2.6.x up to 2.6.8, allows local users to read non-readable ELF binaries by using the interpreter (PT_INTERP) functionality.

CVE-2004-1137

Multiple vulnerabilities in the IGMP functionality for Linux kernel 2.4.22 to 2.4.28, and 2.6.x to 2.6.9, allow local and remote attackers to cause a denial of service or execute arbitrary code via (1) the ip_mc_source function, which decrements a counter to -1, or (2) the igmp_marksources function...

CVE-2004-1144

Unknown vulnerability in the 32bit emulation code in Linux 2.4 on AMD64 systems allows local users to gain privileges.

CVE-2004-1151

Multiple buffer overflows in the (1) sys32_ni_syscall and (2) sys32_vm86_warning functions in sys_ia32.c for Linux 2.6.x may allow local attackers to modify kernel memory and gain privileges.

CVE-2004-1234

load_elf_binary in Linux before 2.4.26 allows local users to cause a denial of service (system crash) via an ELF binary in which the interpreter is NULL.

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 descriptor.

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 vectors.

CVE-2004-1333

Integer overflow in the vc_resize function in the Linux kernel 2.4 and 2.6 before 2.6.10 allows local users to cause a denial of service (kernel crash) via a short new screen value, which leads to a buffer overflow.

CVE-2004-1335

Memory leak in the ip_options_get function in the Linux kernel before 2.6.10 allows local users to cause a denial of service (memory consumption) by repeatedly calling the ip_cmsg_send function.

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 memory.

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 decryption.

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 decryption.

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 files.

CVE-2004-2536

The exit_thread function (process.c) in Linux kernel 2.6 through 2.6.5 does not invalidate the per-TSS io_bitmap pointers if a process obtains IO access permissions from the ioperm function but does not drop those permissions when it exits, which allows other processes to access the per-TSS pointer...

CVE-2004-2607

A numeric casting discrepancy in sdla_xfer in Linux kernel 2.6.x up to 2.6.5 and 2.4 up to 2.4.29-rc1 allows local users to read portions of kernel memory via a large len argument, which is received as an int but cast to a short, which prevents a read loop from filling a buffer.

CVE-2004-2660

Memory leak in direct-io.c in Linux kernel 2.6.x before 2.6.10 allows local users to cause a denial of service (memory consumption) via certain O_DIRECT (direct IO) write requests.