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Fencer Vulns
high 7.1

CVE-2007-6282 json

The IPsec implementation in Linux kernel before 2.6.25 allows remote routers to cause a denial of service (crash) via a fragmented ESP pack…

published 2008-05-08 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6250

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The IPsec implementation in Linux kernel before 2.6.25 allows remote routers to cause a denial of service (crash) via a fragmented ESP packet in which the first fragment does not contain the entire ESP header and IV.

Patch / fix

  • kernel RHEL 5 2.6.18-53.1.21.el5
  • kernel-PAE RHEL 5 2.6.18-53.1.21.el5
  • kernel-xen RHEL 5 2.6.18-53.1.21.el5
  • kernel-kdump RHEL 5 2.6.18-53.1.21.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-53.1.21.el5
  • kernel RHEL 4 2.6.9-67.0.15.EL
  • kernel-smp RHEL 4 2.6.9-67.0.15.EL
  • kernel-xenU RHEL 4 2.6.9-67.0.15.EL

red hat advisories RHSA-2008:0275RHSA-2008:0237RHSA-2008:0585

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-6282 updated

IPSec ESP kernel panics

  • Red Hat MRG Realtime for RHEL 5 Server kernel-rt 2.6.24.7-74.el5rt, kernel-rt-trace 2.6.24.7-74.el5rt, kernel-rt-vanilla 2.6.24.7-74.el5rt, kernel-rt-debuginfo-common 2.6.24.7-74.el5rt
    fixed: vendor fix RHSA-2008:0585
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-53.1.21.el5, kernel-PAE 2.6.18-53.1.21.el5, kernel-xen 2.6.18-53.1.21.el5, kernel-kdump 2.6.18-53.1.21.el5, kernel-debuginfo-common 2.6.18-53.1.21.el5
    fixed: vendor fix RHSA-2008:0275
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-67.0.15.EL, kernel-smp 2.6.9-67.0.15.EL, kernel-xenU 2.6.9-67.0.15.EL, kernel-hugemem 2.6.9-67.0.15.EL, kernel-largesmp 2.6.9-67.0.15.EL
    fixed: vendor fix RHSA-2008:0237
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-53.1.21.el5, kernel-PAE 2.6.18-53.1.21.el5, kernel-xen 2.6.18-53.1.21.el5, kernel-kdump 2.6.18-53.1.21.el5, kernel-debuginfo-common 2.6.18-53.1.21.el5
    fixed: vendor fix RHSA-2008:0275
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-67.0.15.EL, kernel-smp 2.6.9-67.0.15.EL, kernel-xenU 2.6.9-67.0.15.EL, kernel-hugemem 2.6.9-67.0.15.EL, kernel-largesmp 2.6.9-67.0.15.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-67.0.15.EL, kernel-smp 2.6.9-67.0.15.EL, kernel-xenU 2.6.9-67.0.15.EL, kernel-hugemem 2.6.9-67.0.15.EL, kernel-largesmp 2.6.9-67.0.15.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-67.0.15.EL, kernel-smp 2.6.9-67.0.15.EL, kernel-xenU 2.6.9-67.0.15.EL, kernel-hugemem 2.6.9-67.0.15.EL, kernel-largesmp 2.6.9-67.0.15.EL
    fixed: vendor fix RHSA-2008:0237

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.45% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • marc.info http://marc.info/?l=linux-netdev&m=120372380411259&w=2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.