The copy_semid_to_user function in ipc/sem.c in the Linux kernel before 2.6.36 does not…
Priority LOW 11CWE-909Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- 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
The copy_semid_to_user function in ipc/sem.c in the Linux kernel before 2.6.36 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory via a (1) IPC_INFO, (2) SEM_INFO, (3) IPC_STAT, or (4) SEM_STAT command in a semctl system call.
Why it matters now
EPSS 0.00387 33rd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 2.6.36 | Vulnerable | Linux |
| cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:* | 11.3 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* | 9 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp3:*:*:*:*:*:* | 10 sp3 | Vulnerable | SUSE |
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.36 Vulnerable ·Linux
- cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp3:*:*:*:*:*:* Versions 10 sp3 Vulnerable ·SUSE
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
Remediation
Red Hat 4 advisories
- RHSA-2011:0162 Released 2011-01-18 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-89.35.1.EL, kernel-2.6.9-89.35.1.EL.ia64, kernel-2.6.9-89.35.1.EL.ppc64iseries +14
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-89.35.1.EL, kernel-devel-2.6.9-89.35.1.EL, kernel-doc-2.6.9-89.35.1.EL +8
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-89.35.1.EL, kernel-2.6.9-89.35.1.EL.ia64, kernel-devel-2.6.9-89.35.1.EL +12
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-89.35.1.EL, kernel-2.6.9-89.35.1.EL.ia64, kernel-devel-2.6.9-89.35.1.EL +12
- RHSA-2011:0007 Released 2011-01-11 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-71.14.1.el6, kernel-bootwrapper-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6 +8
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
- RHSA-2011:0004 Released 2011-01-04 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-194.32.1.el5, kernel-2.6.18-194.32.1.el5.ia64, kernel-PAE-2.6.18-194.32.1.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-194.32.1.el5, kernel-PAE-2.6.18-194.32.1.el5, kernel-PAE-devel-2.6.18-194.32.1.el5 +8
Show 1 more Red Hat advisories
- RHSA-2010:0958 Released 2010-12-08 · Red Hat rating Importantkernel-rt security and bug fix update
- MRG Realtime for RHEL 5 Server kernel-rt-2.6.33.7-rt29.47.el5rt, kernel-rt-debug-2.6.33.7-rt29.47.el5rt, kernel-rt-debug-devel-2.6.33.7-rt29.47.el5rt +7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| MRG Realtime for RHEL 5 Server | Fixed | RHSA-2010:0958 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:0004 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:0004 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2011:0007 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2011:0007 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:0007 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2011:0007 |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-4083
- 2026-10-03 Alias added: GHSA-6r2h-x874-8mcw
References
Patch 5
- [oss-security] 20100925 CVE request: multiple kernel stack memory disclosures
- [mm-commits] 20100923 + sys_semctl-fix-kernel-stack-leakage.patch added to -mm tree
- [oss-security] 20101006 Re: CVE request: multiple kernel stack memory disclosures
- [oss-security] 20101025 Re: CVE request: multiple kernel stack memory disclosures
- https://bugzilla.redhat.com/show_bug.cgi?id=648673
Advisory 19
- ADV-2011-0024
- SUSE-SA:2011:004
- RHSA-2011:0004
- [oss-security] 20101006 Re: CVE request: multiple kernel stack memory disclosures
- SUSE-SA:2011:001
- RHSA-2011:0007
- ADV-2011-0124
- SUSE-SA:2011:007
- SUSE-SA:2010:060
- ADV-2011-0298
- RHSA-2010:0958
- MDVSA-2011:051
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- ADV-2011-0375
- RHSA-2011:0162
- ADV-2011-0012
- SUSE-SA:2011:008
- ADV-2011-0168
- DSA-2126
Sources
- CVE-2010-4083 · CVE Program
- CVE-2010-4083 · NVD
- FIRST EPSS
- GHSA-6r2h-x874-8mcw · GitHub Advisory Database · CC BY 4.0
- CVE-2010-4083 · Red Hat security data · CC BY 4.0
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