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Linux » Linux Kernel : Security Vulnerabilities (CVSS score between 4 and 4.99)

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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-2018-1000200 476 2018-06-05 2018-10-31
4.9
None Local Low Not required None None Complete
The Linux Kernel versions 4.14, 4.15, and 4.16 has a null pointer dereference which can result in an out of memory (OOM) killing of large mlocked processes. The issue arises from an oom killed process's final thread calling exit_mmap(), which calls munlock_vma_pages_all() for mlocked vmas.This can happen synchronously with the oom reaper's unmap_page_range() since the vma's VM_LOCKED bit is cleared before munlocking (to determine if any other vmas share the memory and are mlocked).
2 CVE-2018-1000199 388 Exec Code Mem. Corr. 2018-05-24 2018-06-27
4.9
None Local Low Not required None None Complete
The Linux Kernel version 3.18 contains a dangerous feature vulnerability in modify_user_hw_breakpoint() that can result in crash and possibly memory corruption. This attack appear to be exploitable via local code execution and the ability to use ptrace. This vulnerability appears to have been fixed in git commit f67b15037a7a50c57f72e69a6d59941ad90a0f0f.
3 CVE-2018-17977 400 DoS 2018-10-08 2018-11-26
4.9
None Local Low Not required None None Complete
The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.
4 CVE-2018-17972 284 2018-10-03 2018-12-06
4.9
None Local Low Not required Complete None None
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.
5 CVE-2018-16597 264 2018-09-21 2018-11-27
4.9
None Local Low Not required None Complete None
An issue was discovered in the Linux kernel through 4.18.6. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.
6 CVE-2018-14625 362 +Info 2018-09-10 2018-11-16
4.4
None Local Medium Not required Partial Partial Partial
A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.
7 CVE-2018-13405 264 2018-07-06 2018-10-31
4.6
None Local Low Not required Partial Partial Partial
The inode_init_owner function in fs/inode.c in the Linux kernel through 4.17.4 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group. The non-member can escalate privileges by making the plain file executable and SGID.
8 CVE-2018-13100 369 2018-07-03 2018-08-23
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.
9 CVE-2018-13099 125 DoS 2018-07-03 2018-10-04
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.
10 CVE-2018-13098 125 DoS 2018-07-03 2018-08-23
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/f2fs/inode.c in the Linux kernel through 4.17.3. A denial of service (slab out-of-bounds read and BUG) can occur for a modified f2fs filesystem image in which FI_EXTRA_ATTR is set in an inode.
11 CVE-2018-13097 125 DoS 2018-07-03 2018-08-23
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).
12 CVE-2018-13096 125 DoS 2018-07-03 2018-11-15
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.
13 CVE-2018-13095 476 DoS Mem. Corr. 2018-07-03 2018-08-23
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.
14 CVE-2018-13094 476 2018-07-03 2018-08-29
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
15 CVE-2018-13093 476 2018-07-03 2018-08-23
4.3
None Remote Medium Not required None None Partial
An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occurs because of a lack of proper validation that cached inodes are free during allocation.
16 CVE-2018-12929 416 DoS 2018-06-28 2018-08-21
4.9
None Local Low Not required None None Complete
ntfs_read_locked_inode in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a use-after-free read and possibly cause a denial of service (kernel oops or panic) via a crafted ntfs filesystem.
17 CVE-2018-12928 476 2018-06-28 2018-08-21
4.9
None Local Low Not required None None Complete
In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.
18 CVE-2018-12904 264 DoS 2018-06-27 2018-08-29
4.4
None Local Medium Not required Partial Partial Partial
In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
19 CVE-2018-11412 416 2018-05-24 2018-08-29
4.3
None Remote Medium Not required None None Partial
In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
20 CVE-2018-11232 20 DoS 2018-05-18 2018-06-19
4.9
None Local Low Not required None None Complete
The etm_setup_aux function in drivers/hwtracing/coresight/coresight-etm-perf.c in the Linux kernel before 4.10.2 allows attackers to cause a denial of service (panic) because a parameter is incorrectly used as a local variable.
21 CVE-2018-10940 119 Overflow 2018-05-09 2018-10-31
4.9
None Local Low Not required None None Complete
The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory.
22 CVE-2018-10902 415 +Priv 2018-08-21 2018-11-01
4.6
None Local Low Not required Partial Partial Partial
It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local attacker could possibly use this for privilege escalation.
23 CVE-2018-10883 787 DoS 2018-07-30 2018-10-31
4.9
None Local Low Not required None None Complete
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
24 CVE-2018-10882 787 DoS 2018-07-27 2018-10-31
4.9
None Local Low Not required None None Complete
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image.
25 CVE-2018-10881 119 DoS Overflow 2018-07-26 2018-10-31
4.9
None Local Low Not required None None Complete
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.
26 CVE-2018-10876 416 2018-07-26 2018-09-19
4.9
None Local Low Not required None None Complete
A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
27 CVE-2018-10853 264 2018-09-11 2018-11-19
4.6
None Local Low Not required Partial Partial Partial
A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest.
28 CVE-2018-10323 476 DoS 2018-04-24 2018-08-29
4.9
None Local Low Not required None None Complete
The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.
29 CVE-2018-10322 476 DoS 2018-04-24 2018-10-31
4.9
None Local Low Not required None None Complete
The xfs_dinode_verify function in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_ilock_attr_map_shared invalid pointer dereference) via a crafted xfs image.
30 CVE-2018-10074 476 DoS 2018-04-12 2018-05-22
4.9
None Local Low Not required None None Complete
The hi3660_stub_clk_probe function in drivers/clk/hisilicon/clk-hi3660-stub.c in the Linux kernel before 4.16 allows local users to cause a denial of service (NULL pointer dereference) by triggering a failure of resource retrieval.
31 CVE-2018-10021 399 DoS 2018-04-11 2018-08-24
4.9
None Local Low Not required None None Complete
** DISPUTED ** drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by triggering certain failure conditions. NOTE: a third party disputes the relevance of this report because the failure can only occur for physically proximate attackers who unplug SAS Host Bus Adapter cables.
32 CVE-2018-8087 399 DoS 2018-03-13 2018-06-15
4.9
None Local Low Not required None None Complete
Memory leak in the hwsim_new_radio_nl function in drivers/net/wireless/mac80211_hwsim.c in the Linux kernel through 4.15.9 allows local users to cause a denial of service (memory consumption) by triggering an out-of-array error case.
33 CVE-2018-7995 362 DoS 2018-03-09 2018-05-23
4.7
None Local Medium Not required None None Complete
** DISPUTED ** Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE: a third party has indicated that this report is not security relevant.
34 CVE-2018-7740 119 DoS Overflow 2018-03-07 2018-10-31
4.9
None Local Low Not required None None Complete
The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.
35 CVE-2018-7566 119 Overflow 2018-03-30 2018-11-30
4.6
None Local Low Not required Partial Partial Partial
The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.
36 CVE-2018-7492 476 2018-02-26 2018-06-15
4.9
None Local Low Not required None None Complete
A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.
37 CVE-2018-7273 200 Bypass +Info 2018-02-20 2018-03-24
4.9
None Local Low Not required Complete None None
In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR.
38 CVE-2018-6927 190 DoS Overflow 2018-02-12 2018-07-12
4.6
None Local Low Not required Partial Partial Partial
The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.
39 CVE-2018-6554 399 DoS 2018-09-04 2018-10-25
4.9
None Local Low Not required None None Complete
Memory leak in the irda_bind function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (memory consumption) by repeatedly binding an AF_IRDA socket.
40 CVE-2018-5803 20 2018-06-12 2018-10-31
4.9
None Local Low Not required None None Complete
In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash.
41 CVE-2018-5344 416 DoS 2018-01-12 2018-10-31
4.6
None Local Low Not required Partial Partial Partial
In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.
42 CVE-2018-5333 476 2018-01-11 2018-05-03
4.9
None Local Low Not required None None Complete
In the Linux kernel through 4.14.13, the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied, leading to an rds_atomic_free_op NULL pointer dereference.
43 CVE-2018-1130 476 DoS 2018-05-10 2018-10-31
4.9
None Local Low Not required None None Complete
Linux kernel before version 4.16-rc7 is vulnerable to a null pointer dereference in dccp_write_xmit() function in net/dccp/output.c in that allows a local user to cause a denial of service by a number of certain crafted system calls.
44 CVE-2018-1108 310 2018-05-21 2018-08-29
4.3
None Remote Medium Not required None Partial None
kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated.
45 CVE-2018-1091 119 DoS Overflow 2018-03-27 2018-05-09
4.9
None Local Low Not required None None Complete
In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
46 CVE-2018-1087 264 2018-05-15 2018-06-19
4.6
None Local Low Not required Partial Partial Partial
kernel KVM before versions kernel 4.16, kernel 4.16-rc7, kernel 4.17-rc1, kernel 4.17-rc2 and kernel 4.17-rc3 is vulnerable to a flaw in the way the Linux kernel's KVM hypervisor handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, the processor did not deliver interrupts and exceptions, rather they are delivered once the first instruction after the stack switch is executed. An unprivileged KVM guest user could use this flaw to crash the guest or, potentially, escalate their privileges in the guest.
47 CVE-2018-1065 476 DoS 2018-03-02 2018-10-31
4.7
None Local Medium Not required None None Complete
The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.
48 CVE-2017-1000377 119 Overflow Bypass 2017-06-19 2017-07-05
4.6
None Local Low Not required Partial Partial Partial
An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).
49 CVE-2017-18261 399 DoS 2018-04-19 2018-05-22
4.9
None Local Low Not required None None Complete
The arch_timer_reg_read_stable macro in arch/arm64/include/asm/arch_timer.h in the Linux kernel before 4.13 allows local users to cause a denial of service (infinite recursion) by writing to a file under /sys/kernel/debug in certain circumstances, as demonstrated by a scenario involving debugfs, ftrace, PREEMPT_TRACER, and FUNCTION_GRAPH_TRACER.
50 CVE-2017-18257 190 DoS Overflow 2018-04-04 2018-07-03
4.9
None Local Low Not required None None Complete
The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.
Total number of vulnerabilities : 667   Page : 1 (This Page)2 3 4 5 6 7 8 9 10 11 12 13 14
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