Vulnerability Monitor

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CVE-2018-20669

An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.

Published

2019-03-21T16:00:37.327

Last Modified

2024-11-21T04:01:57.657

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 4.14.185	Yes
Operating System	linux	linux_kernel	< 4.19.129	Yes
Operating System	linux	linux_kernel	< 5.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Application	netapp	hci_management_node	-	Yes
Application	netapp	snapprotect	-	Yes
Application	netapp	solidfire	-	Yes
Operating System	netapp	cn1610_firmware	-	Yes
Hardware	netapp	cn1610	-	No

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c Release Notes, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/01/23/6 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/106748 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/security/cve/cve-2018-20669 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20190404-0002/ Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K32059550 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4485-1/ Third Party Advisory ([email protected])
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/01/23/6 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/106748 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/cve-2018-20669 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190404-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K32059550 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4485-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)