CVE-2016-4805

Home/CVE/Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cau

CVE

Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cau

Use-after-free vulnerability in drivers/net/ppp/ppp_generic.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service (memory corruption and system crash, or spinlock) or possibly have unspecified other impact by removing a network namespace, related to the ppp_register_net_channel and ppp_unregister_channel functions.

HIGH · CVSS 7.8 EPSS 0.00126

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules8 YARA rules0

⬡

Weakness Classification

CWE-416Use After Free

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Affected Products & Versions

novell suse linux enterprise desktopall versions
novell suse linux enterprise workstation extensionall versions
novell suse linux enterprise module for public cloudall versions
novell suse linux enterprise serverall versions
novell opensuse leapall versions
novell suse linux enterprise software development kitall versions
redhat enterprise linuxall versions
canonical ubuntu linuxall versions
Show all 20 affected productslinux kernel>= 2.6.30 and < 3.2.80
linux kernel>= 3.3 and < 3.10.102
linux kernel>= 3.11 and < 3.12.59
linux kernel>= 3.13 and < 3.14.67
linux kernel>= 3.15 and < 3.16.35
linux kernel>= 3.17 and < 3.18.37
linux kernel>= 3.19 and < 4.1.28
linux kernel>= 4.2 and < 4.4.8
linux kernel>= 4.5 and < 4.5.2
oracle linuxall versions
novell suse linux enterprise real time extensionall versions
novell suse linux enterprise live patchingall versions

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productcriticalLinux Reverse Shell Indicator

producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux

producthighPotentially Suspicious Malware Callback Communication - Linux

producthighLinux Crypto Mining Pool Connections

producthighCommunication To Ngrok Tunneling Service - Linux

producthighLinux Crypto Mining Indicators

Show all 8 top matches

producthighShell Execution GCC - Linux

producthighShell Execution via Rsync - Linux

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Scoring & Timeline

7.8

HIGH · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD23 May 2016 · 10:59 AM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafSUSE-SU-2017:0333-1
suse-csafSUSE-SU-2016:2245-1
android-securityANDROID-2016-09-01High
suse-csafSUSE-SU-2016:2105-1
suse-csafSUSE-SU-2016:1985-1
Show all 10 vendor advisoriessuse-csafSUSE-SU-2016:1937-1
usnUSN-3021-2
usnUSN-3021-1
suse-csafSUSE-SU-2016:1690-1
suse-csafSUSE-SU-2016:1672-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f461dcdd296eecedaffffc6bae2bfa90bd7eb89PatchVendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlMailing ListRelease NotesThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlMailing ListRelease NotesThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlMailing ListRelease NotesThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlMailing ListThird Party Advisory

Show all 19 references

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.htmlMailing ListThird Party Advisory

http://www.debian.org/security/2016/dsa-3607Third Party Advisory

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2Mailing ListVendor Advisory

http://www.openwall.com/lists/oss-security/2016/05/15/2Mailing ListPatchThird Party Advisory

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory

http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory

http://www.securityfocus.com/bid/90605Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036763Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-3021-1Third Party Advisory

http://www.ubuntu.com/usn/USN-3021-2Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1335803Issue TrackingThird Party Advisory

https://github.com/torvalds/linux/commit/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89PatchThird Party Advisory

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