Privilege escalation in Linux Kernel
CVE-2010-4347
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.9 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.022 (81.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Linux Kernel
- openSUSE — versions 11.3
- SUSE Linux Enterprise Real Time Extension — versions 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- secunia.com/advisories/42778 (Third Party Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/45408 (Exploit, VDB Entry, Third Party Advisory, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html (vendor-advisory, Third Party Advisory)
- www.vupen.com/english/advisories/2011/0298 (Third Party Advisory, vdb-entry)
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 (Broken Link)
- openwall.com/lists/oss-security/2010/12/15/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.vupen.com/english/advisories/2011/0012 (Third Party Advisory, vdb-entry)
- openwall.com/lists/oss-security/2010/12/15/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2010-4347?
- CVE-2010-4347 is a vulnerability in Linux Kernel, classified under Improper Privilege Management. Published 2010-12-22.
- Is CVE-2010-4347 known to be exploited?
- 47 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.