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Linux : Security Vulnerabilities (CVSS score between 7 and 7.99)

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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-2018-1000004 362 DoS 2018-01-16 2018-11-30
7.1
None Remote Medium Not required None None Complete
In the Linux kernel 4.12, 3.10, 2.6 and possibly earlier versions a race condition vulnerability exists in the sound system, this can lead to a deadlock and denial of service condition.
2 CVE-2018-18445 125 2018-10-17 2018-12-06
7.2
None Local Low Not required Complete Complete Complete
In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.
3 CVE-2018-17182 416 Overflow +Priv 2018-09-19 2018-11-28
7.2
None Local Low Not required Complete Complete Complete
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
4 CVE-2018-16276 20 2018-08-31 2018-11-14
7.2
None Local Low Not required Complete Complete Complete
An issue was discovered in yurex_read in drivers/usb/misc/yurex.c in the Linux kernel before 4.17.7. Local attackers could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.
5 CVE-2018-14678 264 DoS +Priv 2018-07-28 2018-10-04
7.2
None Local Low Not required Complete Complete Complete
An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.
6 CVE-2018-14641 20 2018-09-18 2018-11-27
7.1
None Remote Medium Not required None None Complete
A security flaw was found in the ip_frag_reasm() function in net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ip_do_fragment(). With certain non-default, but non-rare, configuration of a victim host, an attacker can trigger this crash remotely, thus leading to a remote denial-of-service.
7 CVE-2018-14634 190 Overflow 2018-09-25 2018-11-27
7.2
None Local Low Not required Complete Complete Complete
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
8 CVE-2018-14619 20 2018-08-30 2018-10-31
7.2
None Local Low Not required Complete Complete Complete
A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
9 CVE-2018-14617 476 2018-07-27 2018-11-15
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.
10 CVE-2018-14616 476 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference in fscrypt_do_page_crypto() in fs/crypto/crypto.c when operating on a file in a corrupted f2fs image.
11 CVE-2018-14615 119 Overflow 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is a buffer overflow in truncate_inline_inode() in fs/f2fs/inline.c when umounting an f2fs image, because a length value may be negative.
12 CVE-2018-14614 476 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is an out-of-bounds access in __remove_dirty_segment() in fs/f2fs/segment.c when mounting an f2fs image.
13 CVE-2018-14613 476 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.
14 CVE-2018-14612 476 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.
15 CVE-2018-14611 416 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.
16 CVE-2018-14610 125 2018-07-27 2018-09-19
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in write_extent_buffer() when mounting and operating a crafted btrfs image, because of a lack of verification that each block group has a corresponding chunk at mount time, within btrfs_read_block_groups in fs/btrfs/extent-tree.c.
17 CVE-2018-14609 476 2018-07-27 2018-11-15
7.1
None Remote Medium Not required None None Complete
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.
18 CVE-2018-13406 190 Overflow 2018-07-06 2018-08-29
7.2
None Local Low Not required Complete Complete Complete
An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.
19 CVE-2018-12931 787 DoS 2018-06-28 2018-08-21
7.2
None Local Low Not required Complete Complete Complete
ntfs_attr_find in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a stack-based out-of-bounds write and cause a denial of service (kernel oops or panic) or possibly have unspecified other impact via a crafted ntfs filesystem.
20 CVE-2018-12930 787 DoS 2018-06-28 2018-08-21
7.2
None Local Low Not required Complete Complete Complete
ntfs_end_buffer_async_read in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a stack-based out-of-bounds write and cause a denial of service (kernel oops or panic) or possibly have unspecified other impact via a crafted ntfs filesystem.
21 CVE-2018-12232 362 2018-06-12 2018-10-31
7.1
None Remote Medium Not required None None Complete
In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash.
22 CVE-2018-11506 119 DoS Overflow 2018-05-28 2018-10-31
7.2
None Local Low Not required Complete Complete Complete
The sr_do_ioctl function in drivers/scsi/sr_ioctl.c in the Linux kernel through 4.16.12 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact because sense buffers have different sizes at the CDROM layer and the SCSI layer, as demonstrated by a CDROMREADMODE2 ioctl call.
23 CVE-2018-10938 399 2018-08-27 2018-11-06
7.1
None Remote Medium Not required None None Complete
A flaw was found in the Linux kernel present since v4.0-rc1 and through v4.13-rc4. A crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service. A certain non-default configuration of LSM (Linux Security Module) and NetLabel should be set up on a system before an attacker could leverage this flaw.
24 CVE-2018-10901 264 2018-07-26 2018-11-30
7.2
None Local Low Not required Complete Complete Complete
A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.
25 CVE-2018-10880 787 DoS 2018-07-25 2018-11-15
7.1
None Remote Medium Not required None None Complete
Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.
26 CVE-2018-10840 119 Overflow 2018-07-16 2018-12-07
7.2
None Local Low Not required Complete Complete Complete
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
27 CVE-2018-10675 416 DoS 2018-05-02 2018-11-30
7.2
None Local Low Not required Complete Complete Complete
The do_get_mempolicy function in mm/mempolicy.c in the Linux kernel before 4.12.9 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted system calls.
28 CVE-2018-8822 119 Exec Code Overflow 2018-03-20 2018-05-30
7.2
None Local Low Not required Complete Complete Complete
Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.
29 CVE-2018-8781 190 Exec Code Overflow 2018-04-23 2018-10-31
7.2
None Local Low Not required Complete Complete Complete
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
30 CVE-2018-7480 415 DoS 2018-02-25 2018-05-23
7.2
None Local Low Not required Complete Complete Complete
The blkcg_init_queue function in block/blk-cgroup.c in the Linux kernel before 4.11 allows local users to cause a denial of service (double free) or possibly have unspecified other impact by triggering a creation failure.
31 CVE-2018-6555 416 DoS 2018-09-04 2018-10-25
7.2
None Local Low Not required Complete Complete Complete
The irda_setsockopt 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 (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket.
32 CVE-2018-5391 20 DoS 2018-09-06 2018-11-16
7.8
None Remote Low Not required None None Complete
The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.
33 CVE-2018-5390 20 DoS 2018-08-06 2018-11-30
7.8
None Remote Low Not required None None Complete
Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.
34 CVE-2018-5332 787 2018-01-11 2018-05-03
7.2
None Local Low Not required Complete Complete Complete
In the Linux kernel through 4.14.13, the rds_message_alloc_sgs() function does not validate a value that is used during DMA page allocation, leading to a heap-based out-of-bounds write (related to the rds_rdma_extra_size function in net/rds/rdma.c).
35 CVE-2018-1095 476 DoS 2018-04-01 2018-10-31
7.1
None Remote Medium Not required None None Complete
The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service (get_acl NULL pointer dereference and system crash) via a crafted ext4 image.
36 CVE-2018-1094 476 DoS 2018-04-01 2018-10-31
7.1
None Remote Medium Not required None None Complete
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.
37 CVE-2018-1093 125 DoS 2018-04-01 2018-08-29
7.1
None Remote Medium Not required None None Complete
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
38 CVE-2018-1092 476 DoS 2018-04-01 2018-10-31
7.1
None Remote Medium Not required None None Complete
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
39 CVE-2018-1068 787 2018-03-16 2018-10-31
7.2
None Local Low Not required Complete Complete Complete
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
40 CVE-2018-1066 476 2018-03-02 2018-07-16
7.1
None Remote Medium Not required None None Complete
The Linux kernel before version 4.11 is vulnerable to a NULL pointer dereference in fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() that allows an attacker controlling a CIFS server to kernel panic a client that has this server mounted, because an empty TargetInfo field in an NTLMSSP setup negotiation response is mishandled during session recovery.
41 CVE-2017-1000379 264 2017-06-19 2018-01-04
7.2
Admin Local Low Not required Complete Complete Complete
The Linux Kernel running on AMD64 systems will sometimes map the contents of PIE executable, the heap or ld.so to where the stack is mapped allowing attackers to more easily manipulate the stack. Linux Kernel version 4.11.5 is affected.
42 CVE-2017-1000371 264 2017-06-19 2017-11-05
7.2
None Local Low Not required Complete Complete Complete
The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.
43 CVE-2017-1000370 264 2017-06-19 2017-11-05
7.2
Admin Local Low Not required Complete Complete Complete
The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to be execve()'ed with 1GB of arguments or environmental strings then the stack occupies the address 0x80000000 and the PIE binary is mapped above 0x40000000 nullifying the protection of the offset2lib patch. This affects Linux Kernel version 4.11.5 and earlier. This is a different issue than CVE-2017-1000371. This issue appears to be limited to i386 based systems.
44 CVE-2017-1000365 264 Bypass 2017-06-19 2017-11-03
7.2
Admin Local Low Not required Complete Complete Complete
The Linux Kernel imposes a size restriction on the arguments and environmental strings passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the size), but does not take the argument and environment pointers into account, which allows attackers to bypass this limitation. This affects Linux Kernel versions 4.11.5 and earlier. It appears that this feature was introduced in the Linux Kernel version 2.6.23.
45 CVE-2017-1000363 787 Overflow 2017-07-17 2018-10-30
7.2
None Local Low Not required Complete Complete Complete
Linux drivers/char/lp.c Out-of-Bounds Write. Due to a missing bounds check, and the fact that parport_ptr integer is static, a 'secure boot' kernel command line adversary (can happen due to bootloader vulns, e.g. Google Nexus 6's CVE-2016-10277, where due to a vulnerability the adversary has partial control over the command line) can overflow the parport_nr array in the following code, by appending many (>LP_NO) 'lp=none' arguments to the command line.
46 CVE-2017-1000111 264 2017-10-04 2017-12-06
7.2
None Local Low Not required Complete Complete Complete
Linux kernel: heap out-of-bounds in AF_PACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes socket state may race with safety checks in packet_set_ring. Previously with PACKET_VERSION. This time with PACKET_RESERVE. The solution is similar: lock the socket for the update. This issue may be exploitable, we did not investigate further. As this issue affects PF_PACKET sockets, it requires CAP_NET_RAW in the process namespace. But note that with user namespaces enabled, any process can create a namespace in which it has CAP_NET_RAW.
47 CVE-2017-18218 416 DoS 2018-03-05 2018-05-02
7.2
None Local Low Not required Complete Complete Complete
In drivers/net/ethernet/hisilicon/hns/hns_enet.c in the Linux kernel before 4.13, local users can cause a denial of service (use-after-free and BUG) or possibly have unspecified other impact by leveraging differences in skb handling between hns_nic_net_xmit_hw and hns_nic_net_xmit.
48 CVE-2017-18174 415 2018-02-11 2018-03-12
7.5
None Remote Low Not required Partial Partial Partial
In the Linux kernel before 4.7, the amd_gpio_remove function in drivers/pinctrl/pinctrl-amd.c calls the pinctrl_unregister function, leading to a double free.
49 CVE-2017-18079 476 DoS 2018-01-29 2018-05-30
7.2
None Local Low Not required Complete Complete Complete
drivers/input/serio/i8042.c in the Linux kernel before 4.12.4 allows attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact because the port->exists value can change after it is validated.
50 CVE-2017-18075 399 DoS 2018-01-24 2018-10-31
7.2
None Local Low Not required Complete Complete Complete
crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.
Total number of vulnerabilities : 608   Page : 1 (This Page)2 3 4 5 6 7 8 9 10 11 12 13
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