Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of
Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of arbitrary files, and consequently gain privileges, by blocking the removal of a certain directory that contains a control socket, related to improper interaction with ksm.
- Published
- Apr 15, 2010
- Updated
- Jun 16, 2026
- EPSS
- 0.3% · 18th percentile
- CWE
- CWE-362
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
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 |
|---|---|---|
| kde | kde sc | cpe:2.3:a:kde:kde_sc |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- kde kde sc2.2.0
- kde kde sc3.5.10
- kde kde sc4.1.2
- kde kde sc4.2.2
- kde kde sc4.3.0
- kde kde sc4.3.1
- kde kde sc4.3.4
- kde kde sc4.3.5
- kde kde sc4.4.0
- kde kde sc4.4.1
- kde kde sc4.4.2
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 | kdebase | before 4:3.5.9.dfsg.1-6+lenny1 | 4:3.5.9.dfsg.1-6+lenny1 |
| openSUSE:Tumbleweed | kdebase3 | before 4.11.22-6.8 | 4.11.22-6.8 |
| Red Hat:enterprise_linux:4::as | kdebase | before 6:3.3.1-13.el4_8.1 | 6:3.3.1-13.el4_8.1 |
| Red Hat:enterprise_linux:4::as | kdebase-debuginfo | before 6:3.3.1-13.el4_8.1 | 6:3.3.1-13.el4_8.1 |
| Red Hat:enterprise_linux:4::as | kdebase-devel | before 6:3.3.1-13.el4_8.1 | 6:3.3.1-13.el4_8.1 |
| Red Hat:enterprise_linux:5::client_workstation | kdebase | before 6:3.5.4-21.el5_5.1 | 6:3.5.4-21.el5_5.1 |
| Red Hat:enterprise_linux:5::client_workstation | kdebase-debuginfo | before 6:3.5.4-21.el5_5.1 | 6:3.5.4-21.el5_5.1 |
| Red Hat:enterprise_linux:5::client_workstation | kdebase-devel | before 6:3.5.4-21.el5_5.1 | 6:3.5.4-21.el5_5.1 |
Same product
kde: all recordsOther highest-scoring records for the same primary product.
- CVE-2010-2575Heap-based buffer overflow in the RLE decompression functionality in the TranscribePalmImageToJPEG function in generators/plucker/inplug/ima28Monitor
- CVE-2010-0923Race condition in workspace/krunner/lock/lockdlg.cc in the KRunner lock module in kdebase in KDE SC 4.4.0 allows physically proximate attack27Monitor
- CVE-2011-1586Directory traversal vulnerability in the KGetMetalink::File::isValidNameAttr function in ui/metalinkcreator/metalinker.cpp in KGet in KDE SC24Monitor
- CVE-2010-1000Directory traversal vulnerability in KGet in KDE SC 4.0.0 through 4.4.3 allows remote attackers to create arbitrary files via directory trav24Monitor
- CVE-2011-1168Cross-site scripting (XSS) vulnerability in the KHTMLPart::htmlError function in khtml/khtml_part.cpp in Konqueror in KDE SC 4.4.0 through 418Monitor
- CVE-2011-3365The KDE SSL Wrapper (KSSL) API in KDE SC 4.6.0 through 4.7.1, and possibly earlier versions, does not use a certain font when rendering cert17Monitor
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:kdebase | 4:3.5.9.dfsg.1-6+lenny1 · Debian:5.0 | Package registry (OSV) |
| opensuse:kdebase3 | 4.11.22-6.8 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:kdebase | 6:3.3.1-13.el4_8.1 · Red Hat:enterprise_linux:4::as | Package registry (OSV) |
| red hat:kdebase-debuginfo | 6:3.3.1-13.el4_8.1 · Red Hat:enterprise_linux:4::as | Package registry (OSV) |
| red hat:kdebase-devel | 6:3.3.1-13.el4_8.1 · Red Hat:enterprise_linux:4::as | 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
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
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
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)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- ftp://ftp.kde.org/pub/kde/security_patches/kdebase-workspace-4.3.5-CVE-2010-0436.diff
- lists.fedoraproject.org/pipermail/package-announce/2010-April/039533.html
- lists.opensuse.org/opensuse-security-announce/2010-04/msg00002.html
- rhn.redhat.com/errata/RHSA-2010-0348.html
- secunia.com/advisories/39419
- secunia.com/advisories/39481
- secunia.com/advisories/39506
- www.debian.org/security/2010/dsa-2037
- www.kde.org/info/security/advisory-20100413-1.txt
- www.securityfocus.com/bid/39467
- www.vupen.com/english/advisories/2010/0879
- bugzilla.redhat.com/show_bug.cgi?id=570613
- exchange.xforce.ibmcloud.com/vulnerabilities/57823
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9999
Vendor advisories and official records. Exploit/PoC links are deliberately left out.