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Fencer Vulns
medium 6.9

CVE-2007-6063 json

Buffer overflow in the isdn_net_setcfg function in isdn_net.c in Linux kernel 2.6.23 allows local users to have an unknown impact via a cra…

published 2007-11-21 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6033

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

Buffer overflow in the isdn_net_setcfg function in isdn_net.c in Linux kernel 2.6.23 allows local users to have an unknown impact via a crafted argument to the isdn_ioctl function.

Patch / fix

  • kernel RHEL 2.1 2.4.9-e.74
  • kernel-smp RHEL 2.1 2.4.9-e.74
  • kernel-BOOT RHEL 2.1 2.4.9-e.74
  • kernel-source RHEL 2.1 2.4.9-e.74
  • kernel-summit RHEL 2.1 2.4.9-e.74
  • kernel-enterprise RHEL 2.1 2.4.9-e.74
  • kernel RHEL 3 2.4.21-58.EL
  • kernel-smp RHEL 3 2.4.21-58.EL

red hat advisories RHSA-2009:0001RHSA-2008:0973RHSA-2008:0787RHSA-2008:0154RHSA-2008:0055

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-2007-6063 updated

Linux Kernel isdn_net_setcfg buffer overflow

  • Red Hat Desktop version 3 kernel 2.4.21-58.EL, kernel-smp 2.4.21-58.EL, kernel-BOOT 2.4.21-58.EL, kernel-source 2.4.21-58.EL, kernel-hugemem 2.4.21-58.EL, kernel-unsupported 2.4.21-58.EL, +2 more
    fixed: vendor fix RHSA-2008:0973
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-53.1.14.el5, kernel-PAE 2.6.18-53.1.14.el5, kernel-xen 2.6.18-53.1.14.el5, kernel-kdump 2.6.18-53.1.14.el5, kernel-debuginfo-common 2.6.18-53.1.14.el5
    fixed: vendor fix RHSA-2008:0154
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel 2.4.9-e.74, kernel 2.4.18-e.67, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-smp 2.4.18-e.67, kernel-source 2.4.9-e.74, +3 more
    fixed: vendor fix RHSA-2008:0787
  • Red Hat Enterprise Linux AS version 3 kernel 2.4.21-58.EL, kernel-smp 2.4.21-58.EL, kernel-BOOT 2.4.21-58.EL, kernel-source 2.4.21-58.EL, kernel-hugemem 2.4.21-58.EL, kernel-unsupported 2.4.21-58.EL, +2 more
    fixed: vendor fix RHSA-2008:0973
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-53.1.14.el5, kernel-PAE 2.6.18-53.1.14.el5, kernel-xen 2.6.18-53.1.14.el5, kernel-kdump 2.6.18-53.1.14.el5, kernel-debuginfo-common 2.6.18-53.1.14.el5
    fixed: vendor fix RHSA-2008:0154
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055
  • Red Hat Enterprise Linux ES version 2.1 kernel 2.4.9-e.74, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-source 2.4.9-e.74, kernel-summit 2.4.9-e.74, kernel-enterprise 2.4.9-e.74
    fixed: vendor fix RHSA-2009:0001
show 6 more
  • Red Hat Enterprise Linux ES version 3 kernel 2.4.21-58.EL, kernel-smp 2.4.21-58.EL, kernel-BOOT 2.4.21-58.EL, kernel-source 2.4.21-58.EL, kernel-hugemem 2.4.21-58.EL, kernel-unsupported 2.4.21-58.EL, +2 more
    fixed: vendor fix RHSA-2008:0973
  • Red Hat Enterprise Linux ES version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055
  • Red Hat Enterprise Linux WS version 2.1 kernel 2.4.9-e.74, kernel-smp 2.4.9-e.74, kernel-BOOT 2.4.9-e.74, kernel-source 2.4.9-e.74, kernel-summit 2.4.9-e.74, kernel-enterprise 2.4.9-e.74
    fixed: vendor fix RHSA-2009:0001
  • Red Hat Enterprise Linux WS version 3 kernel 2.4.21-58.EL, kernel-smp 2.4.21-58.EL, kernel-BOOT 2.4.21-58.EL, kernel-source 2.4.21-58.EL, kernel-hugemem 2.4.21-58.EL, kernel-unsupported 2.4.21-58.EL, +2 more
    fixed: vendor fix RHSA-2008:0973
  • Red Hat Enterprise Linux WS version 4 kernel 2.6.9-67.0.4.EL, kernel-smp 2.6.9-67.0.4.EL, kernel-xenU 2.6.9-67.0.4.EL, kernel-hugemem 2.6.9-67.0.4.EL, kernel-largesmp 2.6.9-67.0.4.EL
    fixed: vendor fix RHSA-2008:0055
  • Red Hat Linux Advanced Workstation 2.1 kernel 2.4.18-e.67, kernel-smp 2.4.18-e.67, kernel-source 2.4.18-e.67
    fixed: vendor fix RHSA-2008:0787

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

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

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.