Integer underflow in the cpuset_tasks_read function in the Linux kernel before 2.6.20.13…
Priority LOW 12CWE-189Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Integer underflow in the cpuset_tasks_read function in the Linux kernel before 2.6.20.13, and 2.6.21.x before 2.6.21.4, when the cpuset filesystem is mounted, allows local users to obtain kernel memory contents by using a large offset when reading the /dev/cpuset/tasks file.
Why it matters now
EPSS 0.00436 38th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.20.13; 2.6.21 to before 2.6.21.4 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* | 6.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* | 7.04 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.20.13; 2.6.21 to before 2.6.21.4 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* Versions 7.04 Vulnerable ·Canonical
Remediation
Red Hat 1 advisory
- RHSA-2007:0705 Released 2007-09-13 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-8.1.10.el5, kernel-2.6.18-8.1.10.el5.ia64, kernel-PAE-2.6.18-8.1.10.el5 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-8.1.10.el5, kernel-PAE-2.6.18-8.1.10.el5, kernel-PAE-devel-2.6.18-8.1.10.el5 +6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0705 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2007:0705 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-2875
- 2026-10-03 Alias added: GHSA-xcg5-vp9v-hx6x
References
Advisory 13
- 20070607 Linux Kernel cpuset tasks Information Disclosure Vulnerability
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.4
- ADV-2007-2105
- SUSE-SA:2007:053
- DSA-1363
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.13
- MDKSA-2007:171
- USN-510-1
- RHSA-2007:0705
- USN-489-1
- MDKSA-2007:196
- oval:org.mitre.oval:def:9251
- USN-486-1
Other 1
Sources
- CVE-2007-2875 · CVE Program
- CVE-2007-2875 · NVD
- FIRST EPSS
- GHSA-xcg5-vp9v-hx6x · GitHub Advisory Database · CC BY 4.0
- CVE-2007-2875 · Red Hat security data · CC BY 4.0
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