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Linux » Linux Kernel » 2.4.20 : Security Vulnerabilities

Cpe Name:cpe:/o:linux:linux_kernel:2.4.20
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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
201 CVE-2011-2518 20 DoS 2012-05-24 2016-08-22
4.9
None Local Low Not required None None Complete
The tomoyo_mount_acl function in security/tomoyo/mount.c in the Linux kernel before 2.6.39.2 calls the kern_path function with arguments taken directly from a mount system call, which allows local users to cause a denial of service (OOPS) or possibly have unspecified other impact via a NULL value for the device name.
202 CVE-2011-2517 119 Overflow +Priv 2012-05-24 2013-12-30
7.2
None Local Low Not required Complete Complete Complete
Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.
203 CVE-2010-5332 119 Overflow 2019-07-27 2019-09-25
7.5
None Remote Low Not required Partial Partial Partial
In the Linux kernel before 2.6.37, an out of bounds array access happened in drivers/net/mlx4/port.c. When searching for a free entry in either mlx4_register_vlan() or mlx4_register_mac(), and there is no free entry, the loop terminates without updating the local variable free thus causing out of array bounds access.
204 CVE-2010-5331 119 Overflow 2019-07-27 2019-10-11
7.5
None Remote Low Not required Partial Partial Partial
In the Linux kernel before 2.6.34, a range check issue in drivers/gpu/drm/radeon/atombios.c could cause an off by one (buffer overflow) problem.
205 CVE-2010-0291 264 DoS +Priv 2010-02-15 2018-11-16
4.6
None Local Low Not required Partial Partial Partial
The Linux kernel before 2.6.32.4 allows local users to gain privileges or cause a denial of service (panic) by calling the (1) mmap or (2) mremap function, aka the "do_mremap() mess" or "mremap/mmap mess."
206 CVE-2010-0006 476 DoS 2010-01-26 2018-11-13
7.1
None Remote Medium Not required None None Complete
The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.32.4, when network namespaces are enabled, allows remote attackers to cause a denial of service (NULL pointer dereference) via an invalid IPv6 jumbogram, a related issue to CVE-2007-4567.
207 CVE-2010-0003 200 DoS +Info 2010-01-26 2018-11-16
5.4
None Local Medium Not required Partial None Complete
The print_fatal_signal function in kernel/signal.c in the Linux kernel before 2.6.32.4 on the i386 platform, when print-fatal-signals is enabled, allows local users to discover the contents of arbitrary memory locations by jumping to an address and then reading a log file, and might allow local users to cause a denial of service (system slowdown or crash) by jumping to an address.
208 CVE-2009-4031 20 DoS 2009-11-29 2018-11-16
7.8
None Remote Low Not required None None Complete
The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support.
209 CVE-2009-4004 119 DoS Overflow +Priv Mem. Corr. 2009-11-19 2017-08-16
7.2
None Local Low Not required Complete Complete Complete
Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks.
210 CVE-2009-3726 399 DoS 2009-11-09 2017-09-18
7.8
None Remote Low Not required None None Complete
The nfs4_proc_lock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel before 2.6.31-rc4 allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) by sending a certain response containing incorrect file attributes, which trigger attempted use of an open file that lacks NFSv4 state.
211 CVE-2009-3621 DoS 2009-10-22 2017-09-18
4.9
None Local Low Not required None None Complete
net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.
212 CVE-2009-3612 200 +Info 2009-10-19 2017-09-18
4.9
None Local Low Not required Complete None None
The tcf_fill_node function in net/sched/cls_api.c in the netlink subsystem in the Linux kernel 2.6.x before 2.6.32-rc5, and 2.4.37.6 and earlier, does not initialize a certain tcm__pad2 structure member, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors. NOTE: this issue exists because of an incomplete fix for CVE-2005-4881.
213 CVE-2009-3547 362 DoS +Priv 2009-11-04 2018-10-10
6.9
None Local Medium Not required Complete Complete Complete
Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.
214 CVE-2009-3280 119 DoS Overflow 2009-09-21 2012-03-19
7.8
None Remote Low Not required None None Complete
Integer signedness error in the find_ie function in net/wireless/scan.c in the cfg80211 subsystem in the Linux kernel before 2.6.31.1-rc1 allows remote attackers to cause a denial of service (soft lockup) via malformed packets.
215 CVE-2009-3228 200 +Info 2009-10-19 2017-09-18
4.9
None Local Low Not required Complete None None
The tc_fill_tclass function in net/sched/sch_api.c in the tc subsystem in the Linux kernel 2.4.x before 2.4.37.6 and 2.6.x before 2.6.31-rc9 does not initialize certain (1) tcm__pad1 and (2) tcm__pad2 structure members, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors.
216 CVE-2009-2910 200 +Info 2009-10-20 2017-09-18
4.9
None Local Low Not required Complete None None
arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.
217 CVE-2009-2903 399 DoS 2009-09-15 2012-04-12
7.1
None Remote Medium Not required None None Complete
Memory leak in the appletalk subsystem in the Linux kernel 2.4.x through 2.4.37.6 and 2.6.x through 2.6.31, when the appletalk and ipddp modules are loaded but the ipddp"N" device is not found, allows remote attackers to cause a denial of service (memory consumption) via IP-DDP datagrams.
218 CVE-2009-2698 476 DoS +Priv 2009-08-27 2019-09-05
7.2
None Local Low Not required Complete Complete Complete
The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.
219 CVE-2009-2692 119 2 Overflow +Priv 2009-08-14 2018-10-10
7.2
Admin Local Low Not required Complete Complete Complete
The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket.
220 CVE-2008-4609 16 DoS 2008-10-20 2019-04-30
7.1
None Remote Medium Not required None None Complete
The TCP implementation in (1) Linux, (2) platforms based on BSD Unix, (3) Microsoft Windows, (4) Cisco products, and probably other operating systems allows remote attackers to cause a denial of service (connection queue exhaustion) via multiple vectors that manipulate information in the TCP state table, as demonstrated by sockstress.
221 CVE-2008-3535 189 DoS 2008-08-08 2018-10-30
4.9
None Local Low Not required None None Complete
Off-by-one error in the iov_iter_advance function in mm/filemap.c in the Linux kernel before 2.6.27-rc2 allows local users to cause a denial of service (system crash) via a certain sequence of file I/O operations with readv and writev, as demonstrated by testcases/kernel/fs/ftest/ftest03 from the Linux Test Project.
222 CVE-2008-3534 399 DoS 2008-08-08 2018-10-30
4.9
None Local Low Not required None None Complete
The shmem_delete_inode function in mm/shmem.c in the tmpfs implementation in the Linux kernel before 2.6.26.1 allows local users to cause a denial of service (system crash) via a certain sequence of file create, remove, and overwrite operations, as demonstrated by the insserv program, related to allocation of "useless pages" and improper maintenance of the i_blocks count.
223 CVE-2008-3496 119 Overflow 2008-08-06 2018-10-30
10.0
None Remote Low Not required Complete Complete Complete
Buffer overflow in format descriptor parsing in the uvc_parse_format function in drivers/media/video/uvc/uvc_driver.c in uvcvideo in the video4linux (V4L) implementation in the Linux kernel before 2.6.26.1 has unknown impact and attack vectors.
224 CVE-2008-3275 399 DoS Overflow 2008-08-12 2018-10-30
4.9
None Local Low Not required None None Complete
The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories.
225 CVE-2008-3272 189 +Info 2008-08-08 2018-10-30
6.6
None Local Low Not required Complete None Complete
The snd_seq_oss_synth_make_info function in sound/core/seq/oss/seq_oss_synth.c in the sound subsystem in the Linux kernel before 2.6.27-rc2 does not verify that the device number is within the range defined by max_synthdev before returning certain data to the caller, which allows local users to obtain sensitive information.
226 CVE-2008-3077 399 DoS 2008-07-08 2018-10-30
4.9
None Local Low Not required None None Complete
arch/x86/kernel/ptrace.c in the Linux kernel before 2.6.25.10 on the x86_64 platform leaks task_struct references into the sys32_ptrace function, which allows local users to cause a denial of service (system crash) or have unspecified other impact via unknown vectors, possibly a use-after-free vulnerability.
227 CVE-2008-2931 264 DoS +Priv 2008-07-09 2018-10-30
6.9
Admin Local Medium Not required Complete Complete Complete
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
228 CVE-2008-2812 20 DoS +Priv 2008-07-08 2018-10-30
7.2
Admin Local Low Not required Complete Complete Complete
The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.
229 CVE-2008-2136 399 DoS 2008-05-16 2018-10-31
7.8
None Remote Low Not required None None Complete
Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.
230 CVE-2008-1673 119 DoS Exec Code Overflow 2008-06-09 2018-10-30
10.0
None Remote Low Not required Complete Complete Complete
The asn1 implementation in (a) the Linux kernel 2.4 before 2.4.36.6 and 2.6 before 2.6.25.5, as used in the cifs and ip_nat_snmp_basic modules; and (b) the gxsnmp package; does not properly validate length values during decoding of ASN.1 BER data, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a length greater than the working buffer, which can lead to an unspecified overflow; (2) an oid length of zero, which can lead to an off-by-one error; or (3) an indefinite length for a primitive encoding.
231 CVE-2007-6762 119 Overflow 2019-07-27 2019-09-27
7.5
None Remote Low Not required Partial Partial Partial
In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.
232 CVE-2007-6716 DoS 2008-09-04 2018-10-30
4.7
None Local Medium Not required None None Complete
fs/direct-io.c in the dio subsystem in the Linux kernel before 2.6.23 does not properly zero out the dio struct, which allows local users to cause a denial of service (OOPS), as demonstrated by a certain fio test.
233 CVE-2007-6206 16 +Info 2007-12-03 2018-10-15
2.1
None Local Low Not required Partial None None
The do_coredump function in fs/exec.c in Linux kernel 2.4.x and 2.6.x up to 2.6.24-rc3, and possibly other versions, does not change the UID of a core dump file if it exists before a root process creates a core dump in the same location, which might allow local users to obtain sensitive information.
234 CVE-2006-5331 19 DoS 2017-10-29 2017-11-17
4.9
None Local Low Not required None None Complete
The altivec_unavailable_exception function in arch/powerpc/kernel/traps.c in the Linux kernel before 2.6.19 on 64-bit systems mishandles the case where CONFIG_ALTIVEC is defined and the CPU actually supports Altivec, but the Altivec support was not detected by the kernel, which allows local users to cause a denial of service (panic) by triggering execution of an Altivec instruction.
235 CVE-2006-5173 DoS 2006-10-17 2018-10-30
2.1
None Local Low Not required None None Partial
Linux kernel does not properly save or restore EFLAGS during a context switch, or reset the flags when creating new threads, which allows local users to cause a denial of service (process crash), as demonstrated using a process that sets the Alignment Check flag (EFLAGS 0x40000), which triggers a SIGBUS in other processes that have an unaligned access.
236 CVE-2006-4814 399 2006-12-19 2017-10-10
4.6
None Local Low Single system None None Complete
The mincore function in the Linux kernel before 2.4.33.6 does not properly lock access to user space, which has unspecified impact and attack vectors, possibly related to a deadlock.
237 CVE-2006-4093 DoS 2006-08-21 2018-10-17
4.9
None Local Low Not required None None Complete
Linux kernel 2.x.6 before 2.6.17.9 and 2.4.x before 2.4.33.1 on PowerPC PPC970 systems allows local users to cause a denial of service (crash) related to the "HID0 attention enable on PPC970 at boot time."
238 CVE-2006-3741 DoS 2006-10-10 2018-10-30
4.9
None Local Low Not required None None Complete
The perfmonctl system call (sys_perfmonctl) in Linux kernel 2.4.x and 2.6 before 2.6.18, when running on Itanium systems, does not properly track the reference count for file descriptors, which allows local users to cause a denial of service (file descriptor consumption).
239 CVE-2006-2935 Exec Code Overflow 2006-07-05 2018-10-30
4.6
User Local Low Not required Partial Partial Partial
The dvd_read_bca function in the DVD handling code in drivers/cdrom/cdrom.c in Linux kernel 2.2.16, and later versions, assigns the wrong value to a length variable, which allows local users to execute arbitrary code via a crafted USB Storage device that triggers a buffer overflow.
240 CVE-2006-2071 Bypass 2006-04-27 2018-10-18
2.1
None Local Low Not required None Partial None
Linux kernel 2.4.x and 2.6.x up to 2.6.16 allows local users to bypass IPC permissions and modify a readonly attachment of shared memory by using mprotect to give write permission to the attachment. NOTE: some original raw sources combined this issue with CVE-2006-1524, but they are different bugs.
241 CVE-2006-1242 Bypass 2006-03-15 2018-10-18
5.0
None Remote Low Not required Partial None None
The ip_push_pending_frames function in Linux 2.4.x and 2.6.x before 2.6.16 increments the IP ID field when sending a RST after receiving unsolicited TCP SYN-ACK packets, which allows remote attackers to conduct an Idle Scan (nmap -sI) attack, which bypasses intended protections against such attacks.
242 CVE-2006-0096 2006-01-06 2018-10-03
7.2
None Local Low Not required Complete Complete Complete
wan/sdla.c in Linux kernel 2.6.x before 2.6.11 and 2.4.x before 2.4.29 does not require the CAP_SYS_RAWIO privilege for an SDLA firmware upgrade, with unknown impact and local attack vectors. NOTE: further investigation suggests that this issue requires root privileges to exploit, since it is protected by CAP_NET_ADMIN; thus it might not be a vulnerability, although capabilities provide finer distinctions between privilege levels.
243 CVE-2005-4881 200 +Info 2009-10-19 2017-10-10
4.9
None Local Low Not required Complete None None
The netlink subsystem in the Linux kernel 2.4.x before 2.4.37.6 and 2.6.x before 2.6.13-rc1 does not initialize certain padding fields in structures, which might allow local users to obtain sensitive information from kernel memory via unspecified vectors, related to the (1) tc_fill_qdisc, (2) tcf_fill_node, (3) neightbl_fill_info, (4) neightbl_fill_param_info, (5) neigh_fill_info, (6) rtnetlink_fill_ifinfo, (7) rtnetlink_fill_iwinfo, (8) vif_delete, (9) ipmr_destroy_unres, (10) ipmr_cache_alloc_unres, (11) ipmr_cache_resolve, (12) inet6_fill_ifinfo, (13) tca_get_fill, (14) tca_action_flush, (15) tcf_add_notify, (16) tc_dump_action, (17) cbq_dump_police, (18) __nlmsg_put, (19) __rta_fill, (20) __rta_reserve, (21) inet6_fill_prefix, (22) rsvp_dump, and (23) cbq_dump_ovl functions.
244 CVE-2005-4798 DoS Overflow 2005-12-31 2017-10-10
5.0
None Remote Low Not required None None Partial
Buffer overflow in NFS readlink handling in the Linux Kernel 2.4 up to 2.4.31 allows remote NFS servers to cause a denial of service (crash) via a long symlink, which is not properly handled in (1) nfs2xdr.c or (2) nfs3xdr.c and causes a crash in the NFS client.
245 CVE-2005-3806 399 DoS 2005-11-25 2018-10-19
6.6
None Local Low Not required None Complete Complete
The IPv6 flow label handling code (ip6_flowlabel.c) in Linux kernels 2.4 up to 2.4.32 and 2.6 before 2.6.14 modifies the wrong variable in certain circumstances, which allows local users to corrupt kernel memory or cause a denial of service (crash) by triggering a free of non-allocated memory.
246 CVE-2005-3660 DoS 2005-12-22 2017-07-10
4.9
None Local Low Not required None None Complete
Linux kernel 2.4 and 2.6 allows attackers to cause a denial of service (memory exhaustion and panic) by creating a large number of connected file descriptors or socketpairs and setting a large data transfer buffer, then preventing Linux from being able to finish the transfer by causing the process to become a zombie, or closing the file descriptor without closing an associated reference.
247 CVE-2005-3274 DoS 2005-10-20 2018-10-19
1.2
None Local High Not required None None Partial
Race condition in ip_vs_conn_flush in Linux 2.6 before 2.6.13 and 2.4 before 2.4.32-pre2, when running on SMP systems, allows local users to cause a denial of service (null dereference) by causing a connection timer to expire while the connection table is being flushed before the appropriate lock is acquired.
248 CVE-2005-3273 264 2005-10-20 2018-10-19
5.0
None Remote Low Not required None Partial None
The rose_rt_ioctl function in rose_route.c for Radionet Open Source Environment (ROSE) in Linux 2.6 kernels before 2.6.12, and 2.4 before 2.4.29, does not properly verify the ndigis argument for a new route, which allows attackers to trigger array out-of-bounds errors with a large number of digipeats.
249 CVE-2005-2709 399 DoS Exec Code 2005-11-20 2018-10-19
4.6
User Local Low Not required Partial Partial Partial
The sysctl functionality (sysctl.c) in Linux kernel before 2.6.14.1 allows local users to cause a denial of service (kernel oops) and possibly execute code by opening an interface file in /proc/sys/net/ipv4/conf/, waiting until the interface is unregistered, then obtaining and modifying function pointers in memory that was used for the ctl_table.
250 CVE-2005-2708 399 DoS 2005-10-25 2018-10-19
2.1
None Local Low Not required None None Partial
The search_binary_handler function in exec.c in Linux 2.4 kernel on 64-bit x86 architectures does not check a return code for a particular function call when virtual memory is low, which allows local users to cause a denial of service (panic), as demonstrated by running a process using the bash ulimit -v command.
Total number of vulnerabilities : 305   Page : 1 2 3 4 5 (This Page)6 7
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