fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable file in a setgid directory through the (1) truncate or (2) ftruncate function in conjunction with memory-mapped I/O.
Why it matters now
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 · 30
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 2.6.21.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.2.27:*:*:*:*:*:*:* | 2.2.27 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36:*:*:*:*:*:*:* | 2.4.36 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.1:*:*:*:*:*:*:* | 2.4.36.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.2:*:*:*:*:*:*:* | 2.4.36.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.3:*:*:*:*:*:*:* | 2.4.36.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.4:*:*:*:*:*:*:* | 2.4.36.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.5:*:*:*:*:*:*:* | 2.4.36.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.36.6:*:*:*:*:*:*:* | 2.4.36.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:* | 2.6 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.21.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.2.27:*:*:*:*:*:*:* Versions 2.2.27 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36:*:*:*:*:*:*:* Versions 2.4.36 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.1:*:*:*:*:*:*:* Versions 2.4.36.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.2:*:*:*:*:*:*:* Versions 2.4.36.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.3:*:*:*:*:*:*:* Versions 2.4.36.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.4:*:*:*:*:*:*:* Versions 2.4.36.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.5:*:*:*:*:*:*:* Versions 2.4.36.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.36.6:*:*:*:*:*:*:* Versions 2.4.36.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Linux
Show 20 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:* | 2.6.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc1:*:*:*:*:*:* | 2.6.18 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc2:*:*:*:*:*:* | 2.6.18 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc3:*:*:*:*:*:* | 2.6.18 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc4:*:*:*:*:*:* | 2.6.18 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc5:*:*:*:*:*:* | 2.6.18 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc6:*:*:*:*:*:* | 2.6.18 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.18:rc7:*:*:*:*:*:* | 2.6.18 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.19.4:*:*:*:*:*:*:* | 2.6.19.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.19.5:*:*:*:*:*:*:* | 2.6.19.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.19.6:*:*:*:*:*:*:* | 2.6.19.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.19.7:*:*:*:*:*:*:* | 2.6.19.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.16:*:*:*:*:*:*:* | 2.6.20.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.17:*:*:*:*:*:*:* | 2.6.20.17 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.18:*:*:*:*:*:*:* | 2.6.20.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.19:*:*:*:*:*:*:* | 2.6.20.19 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.20:*:*:*:*:*:*:* | 2.6.20.20 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.20.21:*:*:*:*:*:*:* | 2.6.20.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21.5:*:*:*:*:*:*:* | 2.6.21.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21.6:*:*:*:*:*:*:* | 2.6.21.6 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:* Versions 2.6.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc1:*:*:*:*:*:* Versions 2.6.18 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc2:*:*:*:*:*:* Versions 2.6.18 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc3:*:*:*:*:*:* Versions 2.6.18 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc4:*:*:*:*:*:* Versions 2.6.18 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc5:*:*:*:*:*:* Versions 2.6.18 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc6:*:*:*:*:*:* Versions 2.6.18 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.18:rc7:*:*:*:*:*:* Versions 2.6.18 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.19.4:*:*:*:*:*:*:* Versions 2.6.19.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.19.5:*:*:*:*:*:*:* Versions 2.6.19.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.19.6:*:*:*:*:*:*:* Versions 2.6.19.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.19.7:*:*:*:*:*:*:* Versions 2.6.19.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.16:*:*:*:*:*:*:* Versions 2.6.20.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.17:*:*:*:*:*:*:* Versions 2.6.20.17 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.18:*:*:*:*:*:*:* Versions 2.6.20.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.19:*:*:*:*:*:*:* Versions 2.6.20.19 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.20:*:*:*:*:*:*:* Versions 2.6.20.20 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.20.21:*:*:*:*:*:*:* Versions 2.6.20.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21.5:*:*:*:*:*:*:* Versions 2.6.21.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21.6:*:*:*:*:*:*:* Versions 2.6.21.6 Vulnerable ·Linux
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-2008:0972 Released 2008-11-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-2.6.9-78.0.8.EL.ppc64iseries +14
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-78.0.8.EL, kernel-devel-2.6.9-78.0.8.EL, kernel-doc-2.6.9-78.0.8.EL +8
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-devel-2.6.9-78.0.8.EL +12
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-78.0.8.EL, kernel-2.6.9-78.0.8.EL.ia64, kernel-devel-2.6.9-78.0.8.EL +12
- RHSA-2008:0957 Released 2008-11-04 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-92.1.18.el5, kernel-2.6.18-92.1.18.el5.ia64, kernel-PAE-2.6.18-92.1.18.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-92.1.18.el5, kernel-PAE-2.6.18-92.1.18.el5, kernel-PAE-devel-2.6.18-92.1.18.el5 +8
Vendor assessments
Red Hat
Red Hat rating: Important. 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-2008:0957 |
| 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-2008:0972 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0957 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0972 |
| 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-2008:0972 |
| 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-2008:0972 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2008:0787 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4210
- 2026-10-03 Alias added: GHSA-4hj9-rwwj-2hgv
References
Advisory 11
Other 9
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=7b82dc0e64e93f430182f36b46b79fcee87d3532
- [oss-security] 20080924 Re: CVE request: kernel: open() call allows setgid bit when user is not in new file's group
- oval:org.mitre.oval:def:6386
- [oss-security] 20080924 CVE request: kernel: open() call allows setgid bit when user is not in new file's group
- oval:org.mitre.oval:def:9511
- https://bugzilla.redhat.com/show_bug.cgi?id=463661
- http://bugzilla.kernel.org/show_bug.cgi?id=8420
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
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Sources
- CVE-2008-4210 · CVE Program
- CVE-2008-4210 · NVD
- FIRST EPSS
- GHSA-4hj9-rwwj-2hgv · GitHub Advisory Database · CC BY 4.0
- CVE-2008-4210 · 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