Buffer overflow in the isdn_net_setcfg function in isdn_net.c in Linux kernel 2.6.23…
Priority LOW 31CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
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.
Why it matters now
EPSS 0.00369 30th percentileScored 2026-11-07
Fix Fixed Red Hat: 5 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 5 advisories
- RHSA-2009:0001 Released 2009-01-08 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +8
- Red Hat Enterprise Linux ES version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +6
- Red Hat Enterprise Linux WS version 2.1 kernel-2.4.9-e.74, kernel-2.4.9-e.74.athlon, kernel-BOOT-2.4.9-e.74.i386 +7
- RHSA-2008:0787 Released 2009-01-05 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 kernel-2.4.18-e.67, kernel-2.4.18-e.67.ia64, kernel-doc-2.4.18-e.67.ia64 +2
- Red Hat Linux Advanced Workstation 2.1 kernel-2.4.18-e.67, kernel-2.4.18-e.67.ia64, kernel-doc-2.4.18-e.67.ia64 +2
- RHSA-2008:0973 Released 2008-12-17 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Desktop version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +14
- Red Hat Enterprise Linux AS version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +22
- Red Hat Enterprise Linux ES version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +18
- Red Hat Enterprise Linux WS version 3 kernel-2.4.21-58.EL, kernel-2.4.21-58.EL.athlon, kernel-2.4.21-58.EL.ia32e +18
Show 2 more Red Hat advisories
- RHSA-2008:0154 Released 2008-03-05 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-53.1.14.el5, kernel-2.6.18-53.1.14.el5.ia64, kernel-PAE-2.6.18-53.1.14.el5 +18
- 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-PAE-devel-2.6.18-53.1.14.el5 +8
- RHSA-2008:0055 Released 2008-01-31 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-67.0.4.EL, kernel-2.6.9-67.0.4.EL.ia64, kernel-2.6.9-67.0.4.EL.ppc64iseries +14
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-67.0.4.EL, kernel-devel-2.6.9-67.0.4.EL, kernel-doc-2.6.9-67.0.4.EL +8
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-67.0.4.EL, kernel-2.6.9-67.0.4.EL.ia64, kernel-devel-2.6.9-67.0.4.EL +12
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-67.0.4.EL, kernel-2.6.9-67.0.4.EL.ia64, kernel-devel-2.6.9-67.0.4.EL +12
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2008:0973 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0154 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2008:0787, RHSA-2009:0001 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2008:0973 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0055 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0154 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0055 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2009:0001 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2008:0973 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0055 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2009:0001 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2008:0973 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0055 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2008:0787 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6063
- 2026-10-03 Alias added: GHSA-j979-qq9c-28r6
References
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2007-6063 · CVE Program
- CVE-2007-6063 · NVD
- FIRST EPSS
- GHSA-j979-qq9c-28r6 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-6063 · Red Hat security data · CC BY 4.0
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