CVE-2015-8787: linux linux_kernel NULL Pointer Dereference
Vulnerability summary
CVE-2015-8787 is a high (CVSS 10.0) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 9.23% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 9% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 08-02-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The nf_nat_redirect_ipv4 function in net/netfilter/nf_nat_redirect.c in the Linux kernel before 4.4 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by sending certain IPv4 packets to an incompletely configured interface, a related issue to CVE-2003-1604.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
9.23%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 9.23% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- linux-lts-vivid< 3.19.0-49.55~14.04.1
- linux-lts-wily< 4.2.0-27.32~14.04.1
Debian1 product
- linux< 4.3.5-1
Linux1 product
- linux_kernel≥ 3.19, < 4.1.31 | ≥ 4.2, < 4.4
3 vendors · 4 products
References
23 links- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlX Refsource CONFIRMThird Party Advisory
- github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fcX Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory
- www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlX Refsource CONFIRMThird Party Advisory
Show all 23 references
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.htmlVendor AdvisoryX Refsource FEDORAThird Party Advisory