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Linux » Linux Kernel : Security Vulnerabilities Published In 2009

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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.
1 CVE-2009-4410 DoS 2009-12-24 2012-03-19
4.9
None Local Low Not required None None Complete
The fuse_ioctl_copy_user function in the ioctl handler in fs/fuse/file.c in the Linux kernel 2.6.29-rc1 through 2.6.30.y uses the wrong variable in an argument to the kunmap function, which allows local users to cause a denial of service (panic) via unknown vectors.
2 CVE-2009-4308 399 DoS 2009-12-12 2012-03-19
7.1
None Remote Medium Not required None None Complete
The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.
3 CVE-2009-4307 189 DoS 2009-12-12 2012-03-19
7.1
None Remote Medium Not required None None Complete
The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
4 CVE-2009-4306 DoS 2009-12-12 2012-03-19
4.9
None Local Low Not required None None Complete
Unspecified vulnerability in the EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and earlier allows local users to cause a denial of service (filesystem corruption) via unknown vectors, a different vulnerability than CVE-2009-4131.
5 CVE-2009-4138 399 DoS 2009-12-16 2012-03-19
4.7
None Local Medium Not required None None Complete
drivers/firewire/ohci.c in the Linux kernel before 2.6.32-git9, when packet-per-buffer mode is used, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unknown other impact via an unspecified ioctl associated with receiving an ISO packet that contains zero in the payload-length field.
6 CVE-2009-4131 264 2009-12-12 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.
7 CVE-2009-4031 20 DoS 2009-11-29 2012-03-19
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.
8 CVE-2009-4027 362 DoS 2009-12-02 2012-03-19
7.1
None Remote Medium Not required None None Complete
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
9 CVE-2009-4026 DoS 2009-12-02 2012-03-19
7.8
None Remote Low Not required None None Complete
The mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (panic) via a crafted Delete Block ACK (aka DELBA) packet, related to an erroneous "code shuffling patch."
10 CVE-2009-4021 399 DoS 2009-11-25 2012-03-19
4.9
None Local Low Not required None None Complete
The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.
11 CVE-2009-4020 119 Overflow 2009-12-04 2012-03-19
7.8
None Remote Low Not required None None Complete
Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.
12 CVE-2009-4005 119 Overflow 2009-11-19 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.
13 CVE-2009-4004 119 DoS Overflow +Priv Mem. Corr. 2009-11-19 2012-03-19
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.
14 CVE-2009-3939 264 2009-11-16 2012-03-19
6.6
None Local Low Not required None Complete Complete
The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.
15 CVE-2009-3889 264 2009-11-16 2012-03-19
6.6
None Local Low Not required None Complete Complete
The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.
16 CVE-2009-3888 399 DoS 2009-11-16 2012-03-19
4.9
None Local Low Not required None None Complete
The do_mmap_pgoff function in mm/nommu.c in the Linux kernel before 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.
17 CVE-2009-3726 399 DoS 2009-11-09 2012-03-19
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.
18 CVE-2009-3725 264 +Priv Bypass 2009-11-06 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP_SYS_ADMIN capability for certain interaction with the (1) uvesafb, (2) pohmelfs, (3) dst, or (4) dm subsystem, which allows local users to bypass intended access restrictions and gain privileges via calls to functions in these subsystems.
19 CVE-2009-3722 264 DoS 2009-10-30 2012-03-19
7.1
None Remote Medium Not required None None Complete
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.
20 CVE-2009-3640 20 DoS +Priv 2009-10-29 2012-03-19
4.9
None Local Low Not required None None Complete
The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function.
21 CVE-2009-3638 189 Overflow 2009-10-29 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.
22 CVE-2009-3624 310 DoS +Priv 2009-11-02 2012-03-19
4.6
None Local Low Not required Partial Partial Partial
The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.
23 CVE-2009-3623 287 DoS 2009-10-30 2012-03-19
7.8
None Remote Low Not required None None Complete
The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.
24 CVE-2009-3621 DoS 2009-10-22 2012-03-19
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.
25 CVE-2009-3620 20 DoS +Priv 2009-10-22 2012-03-19
4.9
None Local Low Not required None None Complete
The ATI Rage 128 (aka r128) driver in the Linux kernel before 2.6.31-git11 does not properly verify Concurrent Command Engine (CCE) state initialization, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via unspecified ioctl calls.
26 CVE-2009-3613 399 DoS 2009-10-19 2012-03-19
7.8
None Remote Low Not required None None Complete
The swiotlb functionality in the r8169 driver in drivers/net/r8169.c in the Linux kernel before 2.6.27.22 allows remote attackers to cause a denial of service (IOMMU space exhaustion and system crash) by using jumbo frames for a large amount of network traffic, as demonstrated by a flood ping.
27 CVE-2009-3612 200 +Info 2009-10-19 2012-03-19
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.
28 CVE-2009-3547 362 DoS +Priv 2009-11-04 2013-08-20
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.
29 CVE-2009-3290 399 DoS 2009-09-22 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."
30 CVE-2009-3288 119 DoS Overflow 2009-09-22 2011-09-14
4.9
None Local Low Not required None None Complete
The sg_build_indirect function in drivers/scsi/sg.c in Linux kernel 2.6.28-rc1 through 2.6.31-rc8 uses an incorrect variable when accessing an array, which allows local users to cause a denial of service (kernel OOPS and NULL pointer dereference), as demonstrated by using xcdroast to duplicate a CD. NOTE: this is only exploitable by users who can open the cdrom device.
31 CVE-2009-3286 264 +Priv 2009-09-22 2012-03-19
4.6
None Local Low Not required Partial Partial Partial
NFSv4 in the Linux kernel 2.6.18, and possibly other versions, does not properly clean up an inode when an O_EXCL create fails, which causes files to be created with insecure settings such as setuid bits, and possibly allows local users to gain privileges, related to the execution of the do_open_permission function even when a create fails.
32 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.
33 CVE-2009-3238 310 2009-09-18 2012-03-19
7.8
None Remote Low Not required Complete None None
The get_random_int function in drivers/char/random.c in the Linux kernel before 2.6.30 produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the function's tendency to "return the same value over and over again for long stretches of time."
34 CVE-2009-3234 119 DoS Exec Code Overflow 2009-09-17 2012-03-19
4.9
None Local Low Not required None None Complete
Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6.31-rc1 allows local users to cause a denial of service (crash) and execute arbitrary code via a "big size data" to the perf_counter_open system call.
35 CVE-2009-3228 200 +Info 2009-10-19 2012-03-19
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.
36 CVE-2009-3080 DoS +Priv 2009-11-20 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
Array index error in the gdth_read_event function in drivers/scsi/gdth.c in the Linux kernel before 2.6.32-rc8 allows local users to cause a denial of service or possibly gain privileges via a negative event index in an IOCTL request.
37 CVE-2009-3043 399 DoS +Priv 2009-09-02 2012-03-19
4.9
None Local Low Not required None None Complete
The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.
38 CVE-2009-3002 200 1 +Info 2009-08-28 2013-07-13
4.9
None Local Low Not required Complete None None
The Linux kernel before 2.6.31-rc7 does not initialize certain data structures within getname functions, which allows local users to read the contents of some kernel memory locations by calling getsockname on (1) an AF_APPLETALK socket, related to the atalk_getname function in net/appletalk/ddp.c; (2) an AF_IRDA socket, related to the irda_getname function in net/irda/af_irda.c; (3) an AF_ECONET socket, related to the econet_getname function in net/econet/af_econet.c; (4) an AF_NETROM socket, related to the nr_getname function in net/netrom/af_netrom.c; (5) an AF_ROSE socket, related to the rose_getname function in net/rose/af_rose.c; or (6) a raw CAN socket, related to the raw_getname function in net/can/raw.c.
39 CVE-2009-3001 200 1 +Info 2009-08-28 2012-03-19
4.9
None Local Low Not required Complete None None
The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel 2.6.31-rc7 and earlier does not initialize a certain data structure, which allows local users to read the contents of some kernel memory locations by calling getsockname on an AF_LLC socket.
40 CVE-2009-2910 200 +Info 2009-10-20 2012-03-19
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.
41 CVE-2009-2909 189 DoS 2009-10-20 2012-03-19
4.9
None Local Low Not required None None Complete
Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.
42 CVE-2009-2908 DoS Exec Code 2009-10-13 2012-03-19
4.9
None Local Low Not required None None Complete
The d_delete function in fs/ecryptfs/inode.c in eCryptfs in the Linux kernel 2.6.31 allows local users to cause a denial of service (kernel OOPS) and possibly execute arbitrary code via unspecified vectors that cause a "negative dentry" and trigger a NULL pointer dereference, as demonstrated via a Mutt temporary directory in an eCryptfs mount.
43 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.
44 CVE-2009-2849 DoS 2009-08-18 2012-03-19
4.7
None Local Medium Not required None None Complete
The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.
45 CVE-2009-2848 DoS +Priv Mem. Corr. 2009-08-18 2013-01-22
4.7
None Local Medium Not required None None Complete
The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit.
46 CVE-2009-2847 1 +Info 2009-08-18 2013-01-22
4.9
None Local Low Not required Complete None None
The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.
47 CVE-2009-2846 264 Bypass 2009-08-18 2012-03-19
7.8
None Remote Low Not required Complete None None
The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.
48 CVE-2009-2844 399 DoS 2009-08-18 2012-03-19
7.8
None Remote Low Not required None None Complete
cfg80211 in net/wireless/scan.c in the Linux kernel 2.6.30-rc1 and other versions before 2.6.31-rc6 allows remote attackers to cause a denial of service (crash) via a sequence of beacon frames in which one frame omits an SSID Information Element (IE) and the subsequent frame contains an SSID IE, which triggers a NULL pointer dereference in the cmp_ies function. NOTE: a potential weakness in the is_mesh function was also addressed, but the relevant condition did not exist in the code, so it is not a vulnerability.
49 CVE-2009-2768 119 DoS Overflow 2009-08-14 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The load_flat_shared_library function in fs/binfmt_flat.c in the flat subsystem in the Linux kernel before 2.6.31-rc6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by executing a shared flat binary, which triggers an access of an "uninitialized cred pointer."
50 CVE-2009-2767 119 DoS Overflow +Priv 2009-08-14 2012-03-19
7.2
Admin Local Low Not required Complete Complete Complete
The init_posix_timers function in kernel/posix-timers.c in the Linux kernel before 2.6.31-rc6 allows local users to cause a denial of service (OOPS) or possibly gain privileges via a CLOCK_MONOTONIC_RAW clock_nanosleep call that triggers a NULL pointer dereference.
Total number of vulnerabilities : 105   Page : 1 (This Page)2 3
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