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…
- 6.9MediumCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Linux Kernel < 2.6.37-rc2 - 'ACPI custom_method' Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 15774local, linuxpublished 18 Dec 2010Verified
References tagged exploit1 reference
- 15774 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 22 days later
· 22 days later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
n/a
- affected n/a
References
13
- https://bugzilla.redhat.com/show_bug.cgi?id=663542 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 42778 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2011:001 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 45408 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- SUSE-SA:2011:007 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- ADV-2011-0298 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20101215 CVE Request: local privilege escalation via /sys/kernel/debug/acpi/custom_method (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- ADV-2011-0012 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- [oss-security] 20101215 Re: CVE Request: local privilege escalation via /sys/kernel/debug/acpi/custom_method (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 15774 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a (opens in a new tab)x_refsource_CONFIRMx_transferred
- kernel-debugfs-privilege-esc(64155) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-4316 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-4347)Record last updated .