CVE-2015-8767: canonical ubuntu_linux
Vulnerability summary
CVE-2015-8767 is a medium (CVSS 6.2) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 33.2% of scored vulnerabilities.
Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 10Timeline
- 08-02-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket, which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.39% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu21 products
- linux< 3.13.0-96.143
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian2 products
- linux< 4.3.1-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.10
Linux1 product
- linux_kernel< 4.3
4 vendors · 25 products
References
38 links- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlX Refsource CONFIRMThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlX Refsource CONFIRMThird Party Advisory
- www.openwall.com/lists/oss-security/2016/01/11/4Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
Show all 38 references
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1297389X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- github.com/torvalds/linux/commit/635682a14427d241bab7bbdeebb48a7d7b91638eX Refsource CONFIRMPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory