Vulnerability CVE-2017-15127


Published: 2018-01-14

Description:
A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).

Type:

CWE-19

(Data Handling)

Vendor: Redhat
Product: Enterprise linux 
Version: 7.0;
Vendor: Linux
Product: Linux kernel 
Version:
4.9.9
4.9.8
4.9.7
4.9.6
4.9.5
4.9.44
4.9.43
4.9.42
4.9.41
4.9.40
4.9.4
4.9.39
4.9.38
4.9.37
4.9.36
4.9.35
4.9.34
4.9.33
4.9.32
4.9.31
4.9.30
4.9.3
4.9.29
4.9.28
4.9.27
4.9.26
4.9.25
4.9.24
4.9.23
4.9.22
4.9.21
4.9.20
4.9.2
4.9.19
4.9.18
4.9.17
4.9.16
4.9.15
4.9.14
4.9.13
4.9.12
4.9.11
4.9.10
4.9.1
4.9
4.8.9
4.8.8
4.8.7
4.8.6
4.8.5
4.8.4
4.8.3
4.8.2
4.8.17
4.8.16
4.8.15
4.8.14
4.8.13
4.8.12
4.8.11
4.8.10
4.8.1
4.8
4.7.9
4.7.6
4.7.4
4.7.3
4.7
4.6.7
4.6.6
4.6.5
4.6.4
4.6.3
4.6.2
4.6.1
4.6
4.5.7
4.5.5
4.5.4
4.5.3
4.5.2
4.5.1
4.5.0
4.4.9
4.4.83
4.4.82
4.4.81
4.4.80
4.4.8
4.4.79
4.4.78
4.4.77
4.4.76
4.4.75
4.4.74
4.4.73
4.4.72
4.4.71
4.4.70
See more versions on NVD

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995
https://access.redhat.com/security/cve/CVE-2017-15127
https://bugzilla.redhat.com/show_bug.cgi?id=1525218
https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995

Related CVE
CVE-2017-16914
The "stub_send_ret_submit()" function (drivers/usb/usbip/stub_tx.c) in the Linux Kernel before version 4.14.8, 4.9.71, 4.1.49, and 4.4.107 allows attackers to cause a denial of service (NULL pointer dereference) via a specially crafted USB over IP pa...
CVE-2017-16913
The "stub_recv_cmd_submit()" function (drivers/usb/usbip/stub_rx.c) in the Linux Kernel before version 4.14.8, 4.9.71, and 4.4.114 when handling CMD_SUBMIT packets allows attackers to cause a denial of service (arbitrary memory allocation) via a spec...
CVE-2017-16912
The "get_pipe()" function (drivers/usb/usbip/stub_rx.c) in the Linux Kernel before version 4.14.8, 4.9.71, and 4.4.114 allows attackers to cause a denial of service (out-of-bounds read) via a specially crafted USB over IP packet.
CVE-2017-16911
The vhci_hcd driver in the Linux Kernel before version 4.14.8 and 4.4.114 allows allows local attackers to disclose kernel memory addresses. Successful exploitation requires that a USB device is attached over IP.
CVE-2018-6412
In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.
CVE-2017-18079
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 va...
CVE-2018-5750
The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel through 4.14.15 allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.
CVE-2017-18075
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 ...

Copyright 2018, cxsecurity.com

 

Back to Top