Use After Free in Linux Kernel
CVE-2016-4805
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Linux Kernel
- Novell openSUSE Leap — versions 42.1
- Novell SUSE Linux Enterprise Desktop — versions 12.0
- Novell SUSE Linux Enterprise Live Patching — versions 12.0
- Novell SUSE Linux Enterprise Module For Public Cloud — versions 12.0
- Novell SUSE Linux Enterprise Real Time Extension — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Server — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Workstation Extension — versions 12.0
- Oracle Linux — versions 6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html (vendor-advisory, Mailing List, Third Party Advisory, Release Notes)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3021-2 (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- github.com/torvalds/linux/commit/1f461dcdd296eecedaffffc6bae2bfa90bd7eb89 (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2016/dsa-3607 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1036763 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-4805?
- CVE-2016-4805 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2016-05-23.
- How severe is CVE-2016-4805?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-4805 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.