TI-2007-00006 Aliases CVE-2007-0006 GHSA-5r28-rxgr-jc89

The key serial number collision avoidance code in the key_alloc_serial function in Linux…

LOW 11Published 2007-02-06 · Updated 2024-08-07

Key facts

Attack vector: Local
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: —
Confidentiality · integrity · availability: None · None · Partial
Fix status: Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as "spinlock CPU recursion."

Why it matters now

EPSS 0.00383 32nd percentileScored 2026-11-07

Fix Fixed Red Hat: 2 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

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:linux:linux_kernel::::::::	up to 2.6.20	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:2.6.9:2.6.20::::::	2.6.9 2.6.20	Vulnerable	Linux

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.20 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:2.6.9:2.6.20:*:*:*:*:*:* Versions 2.6.9 2.6.20 Vulnerable ·Linux

Remediation

Red Hat 2 advisories

RHSA-2007:0099 Released 2007-03-14 · Red Hat rating Important
kernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-8.1.1.el5, kernel-2.6.18-8.1.1.el5.ia64, kernel-PAE-2.6.18-8.1.1.el5 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-8.1.1.el5, kernel-PAE-2.6.18-8.1.1.el5, kernel-PAE-devel-2.6.18-8.1.1.el5 +6
RHSA-2007:0085 Released 2007-02-27 · Red Hat rating Important
kernel security update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-42.0.10.EL, kernel-2.6.9-42.0.10.EL.ia64, kernel-2.6.9-42.0.10.EL.ppc64iseries +12
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-42.0.10.EL, kernel-devel-2.6.9-42.0.10.EL, kernel-doc-2.6.9-42.0.10.EL +6
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-42.0.10.EL, kernel-2.6.9-42.0.10.EL.ia64, kernel-devel-2.6.9-42.0.10.EL +10
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-42.0.10.EL, kernel-2.6.9-42.0.10.EL.ia64, kernel-devel-2.6.9-42.0.10.EL +10

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux (v. 5 server)	Fixed	RHSA-2007:0099
Red Hat Enterprise Linux AS version 4	Fixed	RHSA-2007:0085
Red Hat Enterprise Linux Desktop (v. 5 client)	Fixed	RHSA-2007:0099
Red Hat Enterprise Linux Desktop version 4	Fixed	RHSA-2007:0085
Red Hat Enterprise Linux ES version 4	Fixed	RHSA-2007:0085
Red Hat Enterprise Linux WS version 4	Fixed	RHSA-2007:0085

Timeline

2026-10-02 Threatist record created from CVE-2007-0006
2026-10-03 Alias added: GHSA-5r28-rxgr-jc89

References

Advisory 6

Other 4

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

See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences