Linux Kernel Security Vulnerabilities

CVE-2002-0499

The d_path function in Linux kernel 2.2.20 and earlier, and 2.4.18 and earlier, truncates long pathnames without generating an error, which could allow local users to force programs to perform inappropriate operations on the wrong directories.

CVE-2002-0510

The UDP implementation in Linux 2.4.x kernels keeps the IP Identification field at 0 for all non-fragmented packets, which could allow remote attackers to determine that a target system is running Linux.

CVE-2002-0570

The encrypted loop device in Linux kernel 2.4.10 and earlier does not authenticate the entity that is encrypting data, which allows local users to modify encrypted data without knowing the key.

CVE-2002-0704

The Network Address Translation (NAT) capability for Netfilter ("iptables") 1.2.6a and earlier leaks translated IP addresses in ICMP error messages.

CVE-2002-1319

The Linux kernel 2.4.20 and earlier, and 2.5.x, when running on x86 systems, allows local users to cause a denial of service (hang) via the emulation mode, which does not properly clear TF and NT EFLAGs.

CVE-2002-1380

Linux kernel 2.2.x allows local users to cause a denial of service (crash) by using the mmap() function with a PROT_READ parameter to access non-readable memory pages through the /proc/pid/mem interface.

CVE-2002-1571

The linux 2.4 kernel before 2.4.19 assumes that the fninit instruction clears all registers, which could lead to an information leak on processors that do not clear all relevant SSE registers.

CVE-2002-1572

Signed integer overflow in the bttv_read function in the bttv driver (bttv-driver.c) in Linux kernel before 2.4.20 has unknown impact and attack vectors.

CVE-2002-1573

Unspecified vulnerability in the pcilynx ieee1394 firewire driver (pcilynx.c) in Linux kernel before 2.4.20 has unknown impact and attack vectors, related to "wrap handling."

CVE-2002-1574

Buffer overflow in the ixj telephony card driver in Linux before 2.4.20 has unknown impact and attack vectors.

CVE-2002-1963

Linux kernel 2.4.1 through 2.4.19 sets root's NR_RESERVED_FILES limit to 10 files, which allows local users to cause a denial of service (resource exhaustion) by opening 10 setuid binaries.

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 libpcap.

CVE-2002-2254

The experimental IP packet queuing feature in Netfilter / IPTables in Linux kernel 2.4 up to 2.4.19 and 2.5 up to 2.5.31, when a privileged process exits and network traffic is not being queued, may allow a later process with the same Process ID (PID) to access certain network traffic that would ot...

CVE-2002-2438

TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.

CVE-2003-0001

Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.

CVE-2003-0018

Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle the O_DIRECT feature, which allows local attackers with write privileges to read portions of previously deleted files, or cause file system corruption.

CVE-2003-0127

The kernel module loader in Linux kernel 2.2.x before 2.2.25, and 2.4.x before 2.4.21, allows local users to gain root privileges by using ptrace to attach to a child process that is spawned by the kernel.

CVE-2003-0187

The connection tracking core of Netfilter for Linux 2.4.20, with CONFIG_IP_NF_CONNTRACK enabled or the ip_conntrack module loaded, allows remote attackers to cause a denial of service (resource consumption) due to an inconsistency with Linux 2.4.20's support of linked lists, which causes Netfilter ...

CVE-2003-0244

The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.

CVE-2003-0246

The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.

CVE-2003-0418

The Linux 2.0 kernel IP stack does not properly calculate the size of an ICMP citation, which causes it to include portions of unauthorized memory in ICMP error responses.

CVE-2003-0462

A race condition in the way env_start and env_end pointers are initialized in the execve system call and used in fs/proc/base.c on Linux 2.4 allows local users to cause a denial of service (crash).

CVE-2003-0465

The kernel strncpy function in Linux 2.4 and 2.5 does not %NUL pad the buffer on architectures other than x86, as opposed to the expected behavior of strncpy as implemented in libc, which could lead to information leaks.

CVE-2003-0467

Unknown vulnerability in ip_nat_sack_adjust of Netfilter in Linux kernels 2.4.20, and some 2.5.x, when CONFIG_IP_NF_NAT_FTP or CONFIG_IP_NF_NAT_IRC is enabled, or the ip_nat_ftp or ip_nat_irc modules are loaded, allows remote attackers to cause a denial of service (crash) in systems using NAT, poss...

CVE-2003-0476

The execve system call in Linux 2.4.x records the file descriptor of the executable process in the file table of the calling process, which allows local users to gain read access to restricted file descriptors.

CVE-2003-0501

The /proc filesystem in Linux allows local users to obtain sensitive information by opening various entries in /proc/self before executing a setuid program, which causes the program to fail to change the ownership and permissions of those entries.

CVE-2003-0619

Integer signedness error in the decode_fh function of nfs3xdr.c in Linux kernel before 2.4.21 allows remote attackers to cause a denial of service (kernel panic) via a negative size value within XDR data of an NFSv3 procedure call.

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 (crash).

CVE-2003-0956

Multiple race conditions in the handling of O_DIRECT in Linux kernel prior to version 2.4.22 could cause stale data to be returned from the disk when handling sparse files, or cause incorrect data to be returned when a file is truncated as it is being read, which might allow local users to obtain s...

CVE-2003-0961

Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.

CVE-2003-0984

Real time clock (RTC) routines in Linux kernel 2.4.23 and earlier do not properly initialize their structures, which could leak kernel data to user space.

CVE-2003-0985

The mremap system call (do_mremap) in Linux kernel 2.4.x before 2.4.21, and possibly other versions before 2.4.24, does not properly perform bounds checks, which allows local users to cause a denial of service and possibly gain privileges by causing a remapping of a virtual memory area (VMA) to cre...

CVE-2003-0986

Various routines for the ppc64 architecture on Linux kernel 2.6 prior to 2.6.2 and 2.4 prior to 2.4.24 do not use the copy_from_user function when copying data from userspace to kernelspace, which crosses security boundaries and allows local users to cause a denial of service.

CVE-2003-1040

kmod in the Linux kernel does not set its uid, suid, gid, or sgid to 0, which allows local users to cause a denial of service (crash) by sending certain signals to kmod.

CVE-2003-1161

exit.c in Linux kernel 2.6-test9-CVS, as stored on kernel.bkbits.net, was modified to contain a backdoor, which could allow local users to elevate their privileges by passing __WCLONE|__WALL to the sys_wait4 function.

CVE-2003-1604

The redirect_target function in net/ipv4/netfilter/ipt_REDIRECT.c in the Linux kernel before 2.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending packets to an interface that has a 0.0.0.0 IP address, a related issue to CVE-2015-8787.

CVE-2004-0001

Unknown vulnerability in the eflags checking in the 32-bit ptrace emulation for the Linux kernel on AMD64 systems allows local users to gain privileges.

CVE-2004-0003

Unknown vulnerability in Linux kernel before 2.4.22 allows local users to gain privileges, related to "R128 DRI limits checking."

CVE-2004-0010

Stack-based buffer overflow in the ncp_lookup function for ncpfs in Linux kernel 2.4.x allows local users to gain privileges.

CVE-2004-0058

Antivir / Linux 2.0.9-9, and possibly earlier versions, allows local users to overwrite arbitrary files via a symlink attack on the .pid_antivir_$$ temporary file.

CVE-2004-0075

The Vicam USB driver in Linux before 2.4.25 does not use the copy_from_user function when copying data from userspace to kernel space, which crosses security boundaries and allows local users to cause a denial of service.

CVE-2004-0077

The do_mremap function for the mremap system call in Linux 2.2 to 2.2.25, 2.4 to 2.4.24, and 2.6 to 2.6.2, does not properly check the return value from the do_munmap function when the maximum number of VMA descriptors is exceeded, which allows local users to gain root privileges, a different vulne...

CVE-2004-0109

Buffer overflow in the ISO9660 file system component for Linux kernel 2.4.x, 2.5.x and 2.6.x, allows local users with physical access to overflow kernel memory and execute arbitrary code via a malformed CD containing a long symbolic link entry.

CVE-2004-0133

The XFS file system code in Linux 2.4.x has an information leak in which in-memory data is written to the device for the XFS file system, which allows local users to obtain sensitive information by reading the raw device.

CVE-2004-0138

The ELF loader in Linux kernel 2.4 before 2.4.25 allows local users to cause a denial of service (crash) via a crafted ELF file with an interpreter with an invalid arch (architecture), which triggers a BUG() when an invalid VMA is unmapped.

CVE-2004-0177

The ext3 code in Linux 2.4.x before 2.4.26 does not properly initialize journal descriptor blocks, which causes an information leak in which in-memory data is written to the device for the ext3 file system, which allows privileged users to obtain portions of kernel memory by reading the raw device.

CVE-2004-0178

The OSS code for the Sound Blaster (sb16) driver in Linux 2.4.x before 2.4.26, when operating in 16 bit mode, does not properly handle certain sample sizes, which allows local users to cause a denial of service (crash) via a sample with an odd number of bytes.

CVE-2004-0181

The JFS file system code in Linux 2.4.x has an information leak in which in-memory data is written to the device for the JFS file system, which allows local users to obtain sensitive information by reading the raw device.

CVE-2004-0186

smbmnt in Samba 2.x and 3.x on Linux 2.6, when installed setuid, allows local users to gain root privileges by mounting a Samba share that contains a setuid root program, whose setuid attributes are not cleared when the share is mounted.

CVE-2004-0228

Integer signedness error in the cpufreq proc handler (cpufreq_procctl) in Linux kernel 2.6 allows local users to gain privileges.