Unknown vulnerability in the eflags checking in the 32-bit ptrace emulation for the Linux…
Priority LOW 32Published · 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
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Unknown vulnerability in the eflags checking in the 32-bit ptrace emulation for the Linux kernel on AMD64 systems allows local users to gain privileges.
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
Remediation
Red Hat 1 advisory
- RHSA-2004:017 Released 2004-01-16 · Red Hat rating ImportantUpdated kernel packages available for Red Hat Enterprise Linux 3 Update 1
- Red Hat Desktop version 3 kernel-2.4.21-9.EL, kernel-2.4.21-9.EL.athlon, kernel-BOOT-2.4.21-9.EL.i386 +12
- Red Hat Enterprise Linux AS version 3 kernel-2.4.21-9.EL, kernel-2.4.21-9.EL.athlon, kernel-2.4.21-9.EL.ia64 +20
- Red Hat Enterprise Linux ES version 3 kernel-2.4.21-9.EL, kernel-2.4.21-9.EL.athlon, kernel-2.4.21-9.EL.ia64 +16
- Red Hat Enterprise Linux WS version 3 kernel-2.4.21-9.EL, kernel-2.4.21-9.EL.athlon, kernel-2.4.21-9.EL.ia64 +16
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-2004:017 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:017 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:017 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:017 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0001
- 2026-10-03 Alias added: GHSA-27qh-4m42-f89x
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-2004-0001 · CVE Program
- CVE-2004-0001 · NVD
- FIRST EPSS
- GHSA-27qh-4m42-f89x · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0001 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences