CVE-2018-7566: canonical ubuntu_linux
CVSS: 7.8v3.0HighModified
AliasesSUSE-SU-2018:0991-1SUSE-SU-2018:1035-1UBUNTU-CVE-2018-7566DEBIAN-CVE-2018-7566
Published 30-03-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-7566 is a high (CVSS 7.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
0.47%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 62 · Related 53DLA-1369-1DSA-4187-1DSA-4188-1RHSA-2018:2384RHSA-2018:2390RHSA-2018:2395RHSA-2018:2948RHSA-2019:1483RHSA-2019:1487SUSE-SU-2018:0834-1SUSE-SU-2018:0848-1SUSE-SU-2018:0988-1SUSE-SU-2018:0989-1SUSE-SU-2018:0990-1SUSE-SU-2018:0992-1SUSE-SU-2018:0993-1SUSE-SU-2018:0994-1SUSE-SU-2018:0995-1SUSE-SU-2018:0996-1SUSE-SU-2018:0997-1SUSE-SU-2018:0998-1SUSE-SU-2018:0999-1SUSE-SU-2018:1000-1SUSE-SU-2018:1001-1SUSE-SU-2018:1002-1SUSE-SU-2018:1003-1SUSE-SU-2018:1004-1SUSE-SU-2018:1005-1SUSE-SU-2018:1006-1SUSE-SU-2018:1007-1SUSE-SU-2018:1008-1SUSE-SU-2018:1009-1SUSE-SU-2018:1010-1SUSE-SU-2018:1011-1SUSE-SU-2018:1012-1SUSE-SU-2018:1013-1SUSE-SU-2018:1014-1SUSE-SU-2018:1015-1SUSE-SU-2018:1016-1SUSE-SU-2018:1018-1SUSE-SU-2018:1019-1SUSE-SU-2018:1020-1SUSE-SU-2018:1021-1SUSE-SU-2018:1022-1SUSE-SU-2018:1023-1SUSE-SU-2018:1024-1SUSE-SU-2018:1025-1SUSE-SU-2018:1026-1SUSE-SU-2018:1027-1SUSE-SU-2018:1028-1SUSE-SU-2018:1029-1SUSE-SU-2018:1030-1SUSE-SU-2018:1031-1SUSE-SU-2018:1032-1SUSE-SU-2018:1033-1SUSE-SU-2018:1034-1SUSE-SU-2018:1080-1SUSE-SU-2018:1172-1SUSE-SU-2018:1309-1USN-3631-1USN-3631-2USN-3798-1
Timeline
- 30-03-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 18-09-2026
18-09-202618-10-2026
EPSS score0.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected systems
Ubuntu21 products
- linux< 3.13.0-161.211 | < 4.4.0-127.153
- linux-aws< 4.4.0-1022.22 | < 4.4.0-1060.69
- linux-azure< 4.15.0-1013.13~16.04.2
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.5 | 7.6
- enterprise_linux_server_tus7.6
Suse5 products
- kgraft-patch-SLE12_Update_33&distro=SUSE Linux Enterprise Server 12-LTSS< 2-2.1
- kgraft-patch-SLE12-SP1_Update_26&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 2-2.1
- kgraft-patch-SLE12-SP1_Update_26&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1< 2-2.1
- linux_enterprise_module_for_public_cloud12
- linux_enterprise_server12
Debian2 products
- linux< 4.15.11-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04
Linux1 product
- linux_kernel4.15
Oracle1 product
- communications_eagle_application_processor16.1.0 | 16.2.0
7 vendors · 37 products
References
32 links
- lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 32 references
- mailman.alsa-project.org/pipermail/alsa-devel/2018-February/132026.htmlMailing ListX Refsource MLISTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-03/msg00067.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- www.oracle.com/security-alerts/cpujul2020.htmlX Refsource MISC
- www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlX Refsource MISCPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1550142X Refsource CONFIRMIssue TrackingPatchThird Party Advisory