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Vulnerability record · CVE-2010-4347 · published 22 December 2010

CVE-2010-4347: Linux kernel improper privilege management vulnerability

Linux · Linux Kernel

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.

6.9 CVSS 2.0 Medium EPSS 2.2% · top 17.9% CWE-269 · Improper privilege management
6.9CVSS 2.0 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
26References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Third Party Advisory
http://openwall.com/lists/oss-security/2010/12/15/3 Mailing ListPatchThird Party Advisory
http://openwall.com/lists/oss-security/2010/12/15/7 Mailing ListPatchThird Party Advisory
http://secunia.com/advisories/42778 Third Party Advisory
http://www.exploit-db.com/exploits/15774/ ExploitThird Party AdvisoryVDB Entry
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Broken Link
http://www.securityfocus.com/bid/45408 ExploitThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2011/0012 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=663542 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64155 Third Party AdvisoryVDB Entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Third Party Advisory
http://openwall.com/lists/oss-security/2010/12/15/3 Mailing ListPatchThird Party Advisory
http://openwall.com/lists/oss-security/2010/12/15/7 Mailing ListPatchThird Party Advisory
http://secunia.com/advisories/42778 Third Party Advisory
http://www.exploit-db.com/exploits/15774/ ExploitThird Party AdvisoryVDB Entry
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 Broken Link
http://www.securityfocus.com/bid/45408 ExploitThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2011/0012 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=663542 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64155 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2010-4347), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.