The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows loca
The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.
- Published
- Nov 16, 2009
- Updated
- Jun 16, 2026
- EPSS
- 0.4% · 37th percentile
- CWE
- CWE-732
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Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| linux | linux kernel | cpe:2.3:o:linux:linux_kernel |
| redhat | virtualization | cpe:2.3:a:redhat:virtualization |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux eus | cpe:2.3:o:redhat:enterprise_linux_eus |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| avaya | aura application enablement services | cpe:2.3:a:avaya:aura_application_enablement_services |
| avaya | aura communication manager | cpe:2.3:a:avaya:aura_communication_manager |
| avaya | aura session manager | cpe:2.3:a:avaya:aura_session_manager |
| avaya | aura sip enablement services | cpe:2.3:a:avaya:aura_sip_enablement_services |
and 6 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- avaya aura application enablement services5.2
- avaya aura application enablement services5.2.1
- avaya aura communication manager5.2
- avaya aura session manager1.1
- avaya aura session manager5.2
- avaya aura sip enablement services5.2
- avaya aura system manager5.2
- avaya aura system manager6.0
- avaya aura system platform1.1
- avaya voice portal5.0
- canonical ubuntu linux6.06
- canonical ubuntu linux8.04
- canonical ubuntu linux8.10
- canonical ubuntu linux9.04
- canonical ubuntu linux9.10
- debian debian linux5.0
- linux linux kernelup to 2.6.31.6 inclusive
- opensuse opensuse11.0
- opensuse opensuse11.1
- opensuse opensuse11.2
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:5.0 | linux-2.6 | before 2.6.26-21lenny3 | 2.6.26-21lenny3 |
| openSUSE:Tumbleweed | kernel-source | before 4.8.13-1.1 | 4.8.13-1.1 |
| Red Hat:enterprise_linux:4::as | kernel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-debuginfo | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-devel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-doc | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-hugemem | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-hugemem-devel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-largesmp | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-largesmp-devel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-smp | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-smp-devel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-xenU | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:4::as | kernel-xenU-devel | before 0:2.6.9-89.0.20.EL | 0:2.6.9-89.0.20.EL |
| Red Hat:enterprise_linux:5::client | kernel | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-debug | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-debug-debuginfo | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-debug-devel | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-debuginfo | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-debuginfo-common | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-devel | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-doc | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-PAE | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
| Red Hat:enterprise_linux:5::client | kernel-PAE-debuginfo | before 0:2.6.18-164.11.1.el5 | 0:2.6.18-164.11.1.el5 |
+21
Same product
linux: all recordsOther highest-scoring records for the same primary product.
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- CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV85Now
- 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 |
|---|---|---|
| debian:linux-2.6 | 2.6.26-21lenny3 · Debian:5.0 | Package registry (OSV) |
| opensuse:kernel-source | 4.8.13-1.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:kernel-rt | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-debug | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-debug-debuginfo | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-debug-devel | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-debuginfo | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-debuginfo-common | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-devel | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-doc | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-trace | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-trace-debuginfo | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-trace-devel | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
| red hat:kernel-rt-vanilla | 0:2.6.24.7-139.el5rt · Red Hat:enterprise_mrg:1::el5 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-732 · Incorrect Permission Assignment for Critical ResourceCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Accessing Functionality Not Properly Constrained by ACLsCAPEC-1likelihood: High · High
- Privilege AbuseCAPEC-122likelihood: High · Medium
- Directory IndexingCAPEC-127likelihood: High · Medium
- Using Malicious FilesCAPEC-17likelihood: High · Very High
- Exploiting Incorrectly Configured Access Control Security LevelsCAPEC-180likelihood: High · Medium
- Signing Malicious CodeCAPEC-206Very High
- Hijacking a privileged processCAPEC-234Medium
- Reusing Session IDs (aka Session Replay)CAPEC-60likelihood: High · High
ATT&CK techniques
- File and Directory DiscoveryT1083
- Access Token Manipulation:Token Impersonation/TheftT1134.001
- Server Software Component: Terminal Services DLLT1505.005
- Abuse Elevation Control MechanismT1548
- Use Alternate Authentication Material:Web Session CookieT1550.004
- Subvert Trust Controls:Code SigningT1553.002
- Compromise Client Software BinaryT1554
- Hijack Execution Flow:Executable Installer File Permissions WeaknessT1574.005
- Hijack Execution Flow: ServicesFile Permissions WeaknessT1574.010
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
- lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
- lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
- lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
- lists.opensuse.org/opensuse-security-announce/2010-03/msg00000.html
- osvdb.org/60201
- secunia.com/advisories/37909
- secunia.com/advisories/38017
- secunia.com/advisories/38276
- secunia.com/advisories/38492
- secunia.com/advisories/38779
- support.avaya.com/css/P8/documents/100073666
- www.debian.org/security/2010/dsa-1996
- www.openwall.com/lists/oss-security/2009/11/13/1
- www.securityfocus.com/bid/37019
- www.ubuntu.com/usn/usn-864-1
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10310
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7540
Vendor advisories and official records. Exploit/PoC links are deliberately left out.