CVE-2015-8709: linux linux_kernel

Modified

AliasesUBUNTU-CVE-2015-8709DEBIAN-CVE-2015-8709

Published 08-02-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-8709 is a high (CVSS 7.0) vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.0/10

010

High · v3.0 (NVD)

EPSS score

0.40%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

08-02-2016
PublishedVulnerability first disclosed.
06-08-2024
Last modifiedVulnerability information updated.

Description

kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call. NOTE: the vendor states "there is no kernel bug here.

CVSS metrics

4 scores · 3 sources · 2 versions

v3.07.0v2.06.9

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.40% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu23 products

linux< 3.13.0-103.150 | < 4.4.0-51.72
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)

Show all 23

Debian1 product

linux< 4.3.3-3

Linux1 product

linux_kernel≤ 4.4.1

3 vendors · 25 products

References

37 links

lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.htmlVendor AdvisoryX Refsource SUSE
lkml.org/lkml/2015/12/25/71Mailing ListX Refsource MLIST
lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.htmlVendor AdvisoryX Refsource SUSE
marc.info?l=linux-kernel&m=145204641422813&w=2Mailing ListX Refsource MLIST
lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.htmlVendor AdvisoryX Refsource SUSE
www.openwall.com/lists/oss-security/2015/12/31/5Mailing ListX Refsource MLISTREPORT

Show all 37 references

www.openwall.com/lists/oss-security/2015/12/17/12Mailing ListX Refsource MLIST
lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.htmlVendor AdvisoryX Refsource SUSE
marc.info?l=linux-kernel&m=145204362722256&w=2Mailing ListX Refsource MLIST
lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlVendor AdvisoryX Refsource FEDORA
lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.htmlVendor AdvisoryX Refsource SUSE
lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.htmlVendor AdvisoryX Refsource SUSE
www.securityfocus.com/bid/79899VDB EntryX Refsource BID
www.securitytracker.com/id/1034899VDB EntryX Refsource SECTRACK
lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.htmlVendor AdvisoryX Refsource SUSE
bugzilla.redhat.com/show_bug.cgi?id=1295287X Refsource CONFIRM
www.debian.org/security/2016/dsa-3434Vendor AdvisoryX Refsource DEBIAN
lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.htmlVendor AdvisoryX Refsource SUSE
ubuntu.com/security/CVE-2015-8709REPORT
lkml.org/lkml/2015/12/12/259REPORT
ubuntu.com/security/notices/USN-2847-1Advisory
ubuntu.com/security/notices/USN-2848-1Advisory
ubuntu.com/security/notices/USN-2849-1Advisory
ubuntu.com/security/notices/USN-2850-1Advisory
ubuntu.com/security/notices/USN-2851-1Advisory
ubuntu.com/security/notices/USN-2852-1Advisory
ubuntu.com/security/notices/USN-2853-1Advisory
ubuntu.com/security/notices/USN-2854-1Advisory
www.cve.org/CVERecord?id=CVE-2015-8709REPORT
security-tracker.debian.org/tracker/CVE-2015-8709Advisory