The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform
The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used, which allows local users to gain privileges by triggering an out-of-bounds access to the system call table using the %rax register. NOTE: this vulnerability exists because of a CVE-2007-4573 regression.
- Published
- Sep 22, 2010
- Updated
- Jun 16, 2026
- EPSS
- 3.8% · 90th percentile
- CWE
- CWE-269
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Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| linux | linux kernel | cpe:2.3:o:linux:linux_kernel |
| suse | linux enterprise real time extension | cpe:2.3:o:suse:linux_enterprise_real_time_extension |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux10.04
- canonical ubuntu linux10.10
- canonical ubuntu linux9.10
- linux linux kernelbefore 2.6.36
- linux linux kernel2.6.36
- suse linux enterprise real time extension11
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| openSUSE:Tumbleweed | kernel-source | before 4.8.13-1.1 | 4.8.13-1.1 |
| Red Hat:enterprise_linux:6::client | kernel | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debug | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debug-debuginfo | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debug-devel | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debuginfo | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debuginfo-common-i686 | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-debuginfo-common-x86_64 | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-devel | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-doc | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-firmware | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | kernel-headers | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::client | perf | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-bootwrapper | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-debuginfo-common-ppc64 | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-debuginfo-common-s390x | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-kdump | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-kdump-debuginfo | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
| Red Hat:enterprise_linux:6::server | kernel-kdump-devel | before 0:2.6.32-71.7.1.el6 | 0:2.6.32-71.7.1.el6 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
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- CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV83Now
- CVE-2019-13272In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to creKEV77This week
- CVE-2013-6282The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the v6k and v7 ARM platforms do not validate certain addKEV77This week
- CVE-2013-2094The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows loKEV77This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| opensuse:kernel-source | 4.8.13-1.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:kernel | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debug | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debug-debuginfo | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debug-devel | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debuginfo | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debuginfo-common-i686 | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-debuginfo-common-x86_64 | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-devel | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-doc | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-firmware | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:kernel-headers | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:perf | 0:2.6.32-71.7.1.el6 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2010-09-16 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-7 d
- Published
- TodaySep 30, 2026+5852 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-269 · Improper Privilege ManagementCVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
Root cause
To simplify setup, a service account is granted broad, cluster-wide permissions. The principle of least privilege is skipped during installation.
The bug in code
The whole CWE-269 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
kind: ClusterRolerules: - apiGroups: ["*"] resources: ["*"] verbs: ["*"]Fixed
kind: Rolemetadata: namespace: lodos-systemrules: - apiGroups: ["apps"] resources: ["deployments"] verbs: ["get", "list", "update"]Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=36d001c70d8a0144ac1d038f6876c484849a74de
- git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eefdca043e8391dcd719711716492063030b55ac
- lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- secunia.com/advisories/42758
- sota.gen.nz/compat2/
- www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log
- www.mandriva.com/security/advisories?name=MDVSA-2010:198
- www.mandriva.com/security/advisories?name=MDVSA-2010:247
- www.openwall.com/lists/oss-security/2010/09/16/1
- www.openwall.com/lists/oss-security/2010/09/16/3
- www.redhat.com/support/errata/RHSA-2010-0842.html
- www.ubuntu.com/usn/USN-1041-1
- www.vupen.com/english/advisories/2010/3117
- www.vupen.com/english/advisories/2011/0070
- www.vupen.com/english/advisories/2011/0298
Vendor advisories and official records. Exploit/PoC links are deliberately left out.