CVE-2010-4347: linux linux_kernel Improper Privilege Management
Vulnerability summary
CVE-2010-4347 is a medium (CVSS 6.9) Improper Privilege Management vulnerability in linux linux_kernel. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.2% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 22-12-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI interpreter tables, related to the acpi_debugfs_init function in drivers/acpi/debugfs.c.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.20%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.20% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (securityfocus.com)
Maturity: unknown
Linux Kernel < 2.6.37-rc2 - 'ACPI custom_method' Local Privilege Escalation
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
3 vendors · 3 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=663542X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
Show all 13 references
- git.kernel.orgX Refsource CONFIRM